The Simple16 tree stand seat is designed to fit platform type tree stands. * The Simple16 is 16" w x 12 D x 4" Thick.,weighs 15 ounces * The Super Thick cushion gives you comfort you only could dream about until now. * The long straps with the quick buckles make attaching it to your stand easy and makes it very secure! * The Thick pad may prevent the seat from folding up flat against the tree when mounted