Heavy duty. Safety lock sinch straps secure padded back rest to tree for added stability. Folds flat with backpack straps for quick and easy assembly and transport. Weighs 32 lbs. Steel frame design for weight capacity 300 lbs. Platform size: 19 -inch x 33 -inch . Padded seat size: 20 -inch x 33 -inch . No tools needed. Non-reflective matte finish.