Amazon.com: Foamma 5" x 22" x 24" High Density Upholstery Foam Padding, Thick-Custom Pillow, Chair, and Couch Cushion Replacement Foam, Craft Foam Upholstery Supplies, Foam Pad for Cushions and Seat Repair :
Amazon.com: 6" X 24" X 84" Upholstery Foam Cushion High Density Standard (Seat Replacement, Upholstery Sheet, Foam Padding) : Arts, Crafts & Sewing
Mybecca 1 x 24 x 72 in Upholstery Foam Cushion for sale online | eBay
Classic Accessories 25 in. W x 27 in. D x 5 in. Thick Outdoor Lounge Chair Foam Cushion Insert 61-021-010921-RT - The Home Depot