Muddy Complete Seat can be used alone or can be used to secure backrest around tree. Features thick cushioning on a wide seat and a cushioned back rest for even more comfort. Seat Cushion 18" W x 14" D, 3" Thick in front to 2" Thick in rear. Backrest is 14" W x 17" Tall; 1.5" Thick. Includes two 1" support straps and a carry strap.