Arden Selections Outdoor Deep Seating Cushion Set, 24 x 22, Water Repellent, Fade Resistant, Deep Seat Bottom and Back Cushion for Chair, Sofa, and Couch 24 x 22, Ashland Black Jacobean :
Outdoor Cushions WATERPROOF Garden Furniture Cushion Pad FILLED Square 60 x 60cm | eBay
22x22 Outdoor Pillow - Etsy UK
Plain Bottle Outdoor Cushion Cover 22" x 22" – Ideal