This kneeler is constructed of heavy duty foam for long lasting comfort. The surface is no-slip providing you with both traction and stability. It is durable yet lightweight and heavy duty. The top handle allows you to this kneeler is constructed of heavy duty foam for long lasting comfort. The surface is no-slip providing you with both traction and stability. It is durable yet lightweight and heavy duty. The top handle allows you to carry it around for easy transport to your job. It is 17.5″ Wide X 11.5″ High and 1.5″ Thick.  It is 17.5″ Wide X 11.5″ High and 1.5″ Thick.