This Arden Selections ProFoam Outdoor Deep Seat Cushion Foam Insert is made with the same high-performance, long-lasting, durable foam that came with your outdoor furniture set. The foam comes in a compressed roll to reduce shipping waste and easily fits into the provided Cushion Cover. This foam insert measures 24.5" long x 24.5" wide x 6" thick. This firm cushion insert is dense to provide long lasting support. ProFoam foam is tested by independent laboratories and certified by CertiPUR-US to meet the highest standards for emissions, content, performance, and durability.