For example, if you put 44 lbs in a 7x7 inch area, the foam will compress 1 inch. Foam Roll 4 Inch Stuffing For St■ Animals 2" Height X 18" Width X " Length 44ILD (Fim) Upholstey Pillow Stuffing 5 Cushion Foam GoTo Foam 2" Height x 12" Width x 96" Length 44ILD (Firm) Upholstery Cushion Made in USA Visit the GoTo Foam Store 5.0 1 rating $2541 Sunlight will turn this unit from white to yellow, if you do not want a color change on your unit we suggest keeping it away from direct sunlight., Made in the USA , Certipur Certified This product is made in USA. A foam that is 44 ILD in a medium and high density will feel the same. #1,391 in Cushion & Upholstery Foam, Item Weight 3., 33 pounds Manufacturer Top Shelf Value Date First Available June 23, 2019 ****Disclaimers**** Many advertise their 1., 8 density foam as high density which is false advertisement. ILD / Compression Rating Explanation Compression means the number of pounds necessary to compress the piece of foam by 1 inch in a 7x7 inch area. 5., 0 out of 5 stars Best Sellers Rank #492,775 in Arts, Crafts & Sewing (See Top 100 in Arts, Crafts & Sewing) Density is the lifespan of the foam, the higher the density the more material is used to make the foam hence making it last longer. 3 Foam Pad FoamTouch Upholstery Foam Cushion High Density 2 Height X 24 Width X 85 Length Upholstery Foam 3 Inch High Density