The King Slumper seat is 16" wide by 12" deep. The seat has a 2" thick quality foam pad . It has 2" wide straps with metal slide buckles to attach to your tree stand rails * The back is 26" high and is 14" wide. Seat Weighs only 1.5 Ounces. The back has a 1" thick pad in it, and has a 6 foot long strap,with a quick buckle to attach it to your tree * The fabric of the King Slumper seat has Ameri-Suede material which is a very water repellent material, soft, yet is not noisy in the cold like a waterproof material can be. * The 2 " straps are positioned perfectly underneath you and is extremely comfortable. Perfect for the all day sitter. * The king Slumper will fit on sling type seats that have rails anywhere from 18" wide up to 28 " wide .