Specifications: Thicken memory foam that is almost 3 inches thick and compresses just the right amount- provides perfect comfort with medium foam density. Super non-slip surface with straps: a high friction material that prevents the seat cushion from slipping off of the seat while rowing in addition to two stretchy straps that buckle around the seat. Machine washable cover with zipper, easy to take off and keeps the cushion clean after every use. Item Name: Resistance Rowing Machine Cushion Material: Memory Foam Features: Soft, Anti-skid, Thicken Size: 32cm x 22cm x 7cm/12.60" x 8.66" x 2.76" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Resistance Rowing Machine Cushion Thicken memory foam that is almost 3 inches thick and compresses just the right amount- provides perfect comfort with medium foam density. Super non-slip surface with straps: a high friction material that prevents the seat cushion from slipping off of the seat while rowing in addition to two stretchy straps that buckle around the seat. Machine washable cover with zipper, easy to take off and keeps the cushion clean after every use.