Top 10 Outdoor Dining Chair Cushions 21×21 – Patio Furniture Cushions

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1. Classic Accessories

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Patio Furniture Chair Cushion, Antique Beige, Classic Accessories Montlake Water-Resistant 21 x 21 x 3 Inch Square Outdoor Seat Cushion

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Classic Accessories #ad - Montlake fadesafe fabric system: Montlake FadeSafe solution dyed fabric is both stylish and engineered to resist fading. Durable patio cushion: cushion measures 21"W x 21”D x 3”Thick. Double-stitched construction: double-stitched seams ensure strength under stress while piping adds a sophisticated look.

Fashion forward colors: Selected to enhance and coordinate with your outdoor living space. These click-close straps keep your cushions exactly where you want them and also ensure that they look great on your furniture. Water-resistant coating and backing: Resists stains and helps keep rain out and your cushion foam protected. Bound interior seams are engineered to provide strength and durability at the most demanding joints. Patented attachment system: our patented adjustable strapping system allows for easy adjustment and excellent security under all loads.

They are stored in protective garages to prevent scratching your furniture when closed and offer a clean look. Product selection: 28 sizes and shapes to fit most patio furniture. Locking zippers disappear in garages when not in use: Zippers lock to keep a tight closure and assist in stuffing the cushion. Box stitched construction is modern but classic, providing a lasting shape and durability that is superior to cushions with knife-edged and bull-nosed construction methods.
BrandClassic Accessories #ad
ManufacturerClassic Accessories #ad
Height3 Inches
Length21 Inches
Weight4 Pounds
Width21 Inches
Part Number62-010-BEIGE-EC
Model62-010-BEIGE-EC
WarrantyContact manufacturer

2. Honeycomb

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Honeycomb Indoor/Outdoor Textured Solid Indigo Blue Highback Dining Chair Cushion: Recycled Polyester Fill, Weather Resistant Patio Cushions: 21" W x 42" L x 4" T

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Honeycomb #ad - Universal fit – these cushions are made to order with universal style to fit most patio chair cushions. Simply hang the outdoor cushions and let air dry. Effortless care – these beautiful chair covers can be easily cleaned using a sponge or rag with mild soap and warm water.

Weather resistant – enjoy your patio furniture cushion inside or outside as the Olefin Fabric will resist fading with UV resistant properties. Superior softness – highback chair cushions have polyester filling for superior softness. Environment friendly – take a greener approach to your poolside or patio furniture with our outdoor cushion that contains Polyester fiberfill made from recycled plastic bottles and is filled and finished in the USA.

The patio cushion also consists of a reversible design allowing it to be flipped from either side for use on your patio furniture. The fabric is also water repellent to prevent stains making it a low-maintenance patio cushion. Our 4-inch chair cushion is more resilient than the average 3-inch outdoor seat cushion ensuring comfort, long life span and improved joint support.
BrandHoneycomb #ad
Manufacturer3i Products, Inc. #ad
Height4 Inches
Length42 Inches
Width21 Inches
Part Number21106S-101A139
ModelHighback Dining Chair Cushion
Warranty1 Year Limited Warranty

3. Classic Accessories

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Durable Patio Furniture Cushion with Straps,Spice, Classic Accessories Ravenna Water-Resistant 21 x 19 x 5 Inch Outdoor Seat Cushion

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Classic Accessories #ad - Durable outdoor cushion: Cushion measures 21"W x 19"D x 5"Thick. Patented attachment system: patented Attachment System adjustable belted hem with click-close straps provides a tight, customizable fit to keep your cushion where you want it.

Gardelle one fabric system: gardelle One is a solution-dyed durable woven polyester fabric with a protective water repellent coating and water-resistant laminated backing. Water-repellent coating and backing: Water-repellent coating resists stains and helps keep rain out and your cushion foam protected. Heavy-duty outdoor cushions: Bound interior seams are engineered to provide strength and durability at the most demanding joints.
BrandClassic Accessories #ad
ManufacturerClassic Accessories #ad
Height5 Inches
Length5 Inches
Width21 Inches
Part Number62-017-SPICE-EC
Model62-017-SPICE-EC
WarrantyContact manufacturer

4. Pillow Perfect

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Pillow Perfect Outdoor/Indoor New Geo Round Corner Chair Cushion, 40.5" x 21", Red|White

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Pillow Perfect #ad - Measures: 21-inch length x 21-inch width x 3-inch depth seat portion; 19. 5-inch length x 21-inch width x 3-inch depth Back Portion measurements may vary up to 1-inch since item is handcrafted.

Easy care - lightly spot clean or hand wash outdoor cushion fabric with mild detergent and cool water; then let air dry. New and improved 100-percent polyester fiber filling offers an even cushier feel with greater durability. Fill material: 100% Polyester Fiber. Includes one 1 outdoor chair cushion, resists weather and fading in sunlight; Suitable for indoor and outdoor use. Attached ties keep outdoor cushion securely fastened to your outdoor patio furniture.
BrandPillow Perfect #ad
ManufacturerPillow Perfect #ad
Height21 Inches
Length40.5 Inches
Weight3 Pounds
Width3 Inches
Part Number498546
Model498546

5. Pillow Perfect

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40.5" x 21", Blue, Pillow Perfect Outdoor/Indoor Pom Play Peachtini Round Corner Chair Cushion

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Pillow Perfect #ad - Fill material: 100% Polyester Fiber. Includes one 1 outdoor chair cushion, resists weather and fading in sunlight; Suitable for indoor and outdoor use.

Easy care - lightly spot clean or hand wash outdoor cushion fabric with mild detergent and cool water; then let air dry. Care instruction: Spot Clean Only. Measures: 21-inch length x 21-inch width x 3-inch depth seat portion; 19. 5-inch length x 21-inch width x 3-inch depth Back Portion measurements may vary up to 1-inch since item is handcrafted. New and improved 100-percent polyester fiber filling offers an even cushier feel with greater durability. Attached ties keep outdoor cushion securely fastened to your outdoor patio furniture.
BrandPillow Perfect #ad
ManufacturerPillow Perfect #ad
Height21 Inches
Length40.5 Inches
Weight3 Pounds
Width5 Inches
Part Number543604
Model543604

6. Classic Accessories

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Classic Accessories Montlake Water-Resistant 21 x 19 x 3 Inch Rectangle Outdoor Seat Cushion, Antique Beige, Patio Furniture Chair Cushion

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Classic Accessories #ad - Box stitched construction is modern but classic, providing a lasting shape and durability that is superior to cushions with knife-edged and bull-nosed construction methods. Montlake fadesafe fabric system: Montlake FadeSafe solution dyed fabric is both stylish and engineered to resist fading.

Double-stitched construction: double-stitched seams ensure strength under stress while piping adds a sophisticated look. Fashion forward colors: Selected to enhance and coordinate with your outdoor living space. Product selection: 28 sizes and shapes to fit most patio furniture. They are stored in protective garages to prevent scratching your furniture when closed and offer a clean look. Bound interior seams are engineered to provide strength and durability at the most demanding joints. Locking zippers disappear in garages when not in use: Zippers lock to keep a tight closure and assist in stuffing the cushion.

Durable patio cushion: cushion measures 21"W x 19”D x 3”Thick. Patented attachment system: our patented adjustable strapping system allows for easy adjustment and excellent security under all loads. These click-close straps keep your cushions exactly where you want them and also ensure that they look great on your furniture. Water-resistant coating and backing: Resists stains and helps keep rain out and your cushion foam protected.
BrandClassic Accessories #ad
ManufacturerClassic Accessories #ad
Height3 Inches
Length21 Inches
Weight3 Pounds
Width19 Inches
Part Number62-009-BEIGE-EC
Model62-009-BEIGE-EC
WarrantyContact manufacturer

7. Pillow Perfect

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Red, 40.5" x 21", Pillow Perfect Outdoor/Indoor Pompeii Round Corner Chair Cushion

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Pillow Perfect #ad - Attached ties keep outdoor cushion securely fastened to your outdoor patio furniture. Includes one 1 outdoor chair cushion, resists weather and fading in sunlight; Suitable for indoor and outdoor use.

New and improved 100-percent polyester fiber filling offers an even cushier feel with greater durability. Fill material: 100% Polyester Fiber. Care instruction: Spot Clean Only. Measures: 21-inch length x 21-inch width x 3-inch depth seat portion; 19. 5-inch length x 21-inch width x 3-inch depth Back Portion measurements may vary up to 1-inch since item is handcrafted. Easy care - lightly spot clean or hand wash outdoor cushion fabric with mild detergent and cool water; then let air dry.
BrandPillow Perfect #ad
ManufacturerPillow Perfect #ad
Height3 Inches
Length40.5 Inches
Weight3 Pounds
Width21 Inches
Part Number355559
Model355559

8. Pillow Perfect

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Orange, Pillow Perfect Outdoor/Indoor Muree Primrose Round Corner Chair Cushion, 40.5" x 21"

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Pillow Perfect #ad - Easy care - lightly spot clean or hand wash outdoor cushion fabric with mild detergent and cool water; then let air dry. New and improved 100-percent polyester fiber filling offers an even cushier feel with greater durability.

Measures: 21-inch length x 21-inch width x 3-inch depth seat portion; 19. 5-inch length x 21-inch width x 3-inch depth Back Portion measurements may vary up to 1-inch since item is handcrafted. Includes one 1 outdoor chair cushion, resists weather and fading in sunlight; Suitable for indoor and outdoor use. Fill material: 100% Polyester Fiber. Attached ties keep outdoor cushion securely fastened to your outdoor patio furniture.
BrandPillow Perfect #ad
ManufacturerPillow Perfect #ad
Height21 Inches
Length40.5 Inches
Weight3 Pounds
Width3 Inches
Part Number503226
Model503226

9. Suntastic

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Suntastic Sundeck Stripe Outdoor/Indoor High Back Dining Chair Cushion for Patio Furniture, 21" x 43" x 3", Captain's Blue

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Suntastic #ad - Versatile design: classic blue stripe pattern with solid blue back that coordinates with any décor and features ties to secure the cushion to a chair.

Fade resistant fabric: made of durable, solution-dyed polyester yarns that are UV protected and fade resistant for vibrant color. High back dining chair cushion: Perfect addition to any outdoor lounge space and instantly upgrades your current patio furniture setup. Polyester fiber fill: Filled with 100% densified polyester fiber for soft to medium support. Ideal size: includes 1 high back chair cushion that measures approximately 21" x 43" x 3" and fits on most furniture measurements may vary up to 2" since item is handcrafted.
BrandSuntastic #ad
ManufacturerHome Fashions International #ad

10. Pillow Perfect

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40.5" x 21", Blue/Green, Pillow Perfect Outdoor/Indoor Soleil Round Corner Chair Cushion

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Pillow Perfect #ad - Recycled polyester fiber is plush, comfortable, and long-lasting. Ultra-durable water- & fade-resistant outdoor polyester fabric protects fill material and is ideal for use on the patio or poolside; also suitable for indoor use.

Spot clean or hand wash with mild detergent and cool water; air dry. For best results, and to extend the life of your cushions, store covered when not in use. One 1 outdoor/indoor one-piece rounded edge reversible chair cushion back: 19. 5” x 21” x 3”; seat: 21” x 21” x 3”, perfect for use with most patio chairs. Two top reinforced 14” ties make it easy to attach cushions to furniture and keep them neatly and safely in place.
BrandPillow Perfect #ad
ManufacturerPillow Perfect #ad
Height5 Inches
Length40.5 Inches
Weight3 Pounds
Width21 Inches
Part Number586595
Model586595