Product Descrition:1. Easy to CarryThe weight of compact seat cushion only 250g. Size: 15 x11 x 2 in; packed size: 11 x 2.4 x 2.4 in. Packs very small into its attached bag,almost pocket-sized. Perfect cushion for any resting place.2. Keep You Warm & ComfyThe self Inflatable seat cushion is made of lightweight, flexible, waterproof,tear-resistant 30D stretch fabric.Keep you warm the on the cold ground. The weight limit is 221lbs.Great for underneath you or behind your back3. Serving You Many Purposes The self-inflating seat cushion takes a lot of fatigue away from sitting for a long time on a hard seat,help keep your butt from getting sore and keeps your bum warm on those chilly evening and morning perches on rocks.This is a great air cushion for stadium bleachers,sporting events,outdoor concerts,safari rides,air plane rides,finishing,climbing.It will be a butt saver on your life.Or even as a self inflating pillow.