Amazon.com: Isellfoam High Density Upholstery Foam 6 inches Height x 30 inches Width x 80 inches Length (Firm) Density 46ILD High Density Upholstery Foam Cushion CertiPUR-US Certified Foam, Made in USA :
Amazon.com: Heyward 4.5” Trifold Sofa + Mattress | Twin XL Size | Portable Certi PUR-US Certified Firm Foam Folds Into Couch | Washable Panne Velvet Material w/Non-Slip Base | 78”L x 38”W