High density foam has a compression rate of 44 lbs. It features the perfect amount of cushioning and stiffness. Its soft but still holds its firmness and support for an individual to sit on it without compressing the foam too much. Compression = firmness compression (not density) is what determines firmness. If you don't want a cushion that's hard as a rock or a mattress that sinks when you sit on it, you have to check the compression or ILD number.
FoamTouch 1x24x120HDF1.8 Upholstery Foam, 1 x 24 x 120, White : Arts, Crafts & Sewing
FOAMMA 2 x 24 x 24 Upholstery Foam High Density Foam (Chair Cushion Square Foam for Dinning Chairs, Wheelchair Seat Cushion Replacement) : : Home & Kitchen
High Density 1 Height x 24 Width x 24 Length - Pack of 3
eConsumersUSA Shredded Foam 5lbs, 15lbs, 20lbs, 30lbs - for Cushions, Pet Beds, Pillows, Bean Bags, and Crafts - Foam Made in USA (5lbs) : Arts, Crafts & Sewing
GoTo Foam 2 Height x 24 Width x 96 Length 43ILD (Firm) Upholstery Cushion Made in USA : Arts, Crafts & Sewing
eConsumersUSA Shredded Foam 5lbs, 15lbs, 20lbs, 30lbs - for Cushions, Pet Beds, Pillows, Bean Bags, and Crafts - Foam Made in USA (5lbs) : Arts, Crafts & Sewing
FoamTouch Upholstery Foam Cushion High Density 2 Height x 24 Width x 84 Length Made in USA : : Toys & Games
SUBRTEX Cushion Insert Upholstery Pad High Density Sofa Seat Square Replacement for Dinning Chairs Firm Quality Foam Sheet, for DIY, 4''Height Width x 22''Length, H4W22L22, White : Arts, Crafts & Sewing
FoamTouch 2x24x120HDF1.8 Upholstery Foam, 2 x 24 x 120, White : : Home
Buy FoamRush 2 H x 24 W x 24 L Upholstery Foam Cushion High Density (Chair Cushion Square Foam for Dinning Chairs, Wheelchair Seat Cushion Replacement) Online at Low Prices in India
FoamTouch 2x24x120HDF1.8 Upholstery Foam, 2 x 24 x 120, White : : Home
Made in USA Polyurethane foam. compress by 1 inch Upholstery foam cushion high density standard (seat replacement , upholstery sheet , foam padding)
FoamTouch 2x24x120HDF1.8 Upholstery Foam, 2 x 24 x 120, White
Frienda 2 Pcs Upholstery Foam High Density Cushion Foam White Polyurethane Foam Craft Foam Padding for Seat Replacement DIY Projects Chairs Headboards Sofas Home (1 x 24 x 72) : Arts