Upholstery Foam Cushion 8"x 24"x 80" (Firm) 1.8 lb/per cubic ft density 48lb-ILD | eBay
FOAM SEAT CUSHION HIGH DENSITY FOAM 6"x24"x80" 46ILD "FIRM" UPHOLSTERY FOAM | eBay
High Density Foam Upholstery 2"T x 24"W x 80"L (50ILD) "Extra Firm" High Density Upholstery Seat Replacement Foam, Upholstery Foam Sheet, Foam Padding, Foam Cushions, Made In USA - Walmart.com
Mybecca 5H x 24W x 72L Regular Density Soft Firm Upholstery Foam Sheet – Mybecca Home Furnishing
Amazon.com: Isellfoam Upholstery Foam Cushion 1.5" H x 24" W x 80" L (Medium Firm) Seat Replacement, Upholstery Sheet, Foam Padding, CertiPUR-US Certified Foam, Made in USA : Arts, Crafts & Sewing
Tough Luxury-Firm Foam – High Density | Foam n More & Upholstery
Amazon.com: FoamRush 5" x 18" x 20" Upholstery Foam High Density Firm Foam Soft Support (Chair Cushion Square Foam for Dinning Chairs, Wheelchair Seat Cushion Replacement) : Arts, Crafts & Sewing
Seat Max - 1.8 LB density Upholstery Foam Sheets (Better) — Bestway Foam