Instant purchase OK! 【Air-Cell Structure Perfect for Outdoors】 The unique Air-Cell multi-chamber design fits snugly against your buttocks and thighs the moment you sit down. It distributes pressure, providing a comfortable seating experience even for long periods. 【Inflates with Just 4-5 Breaths】 Features a high-efficiency air valve. Anyone can easily inflate it with just 4-5 breaths. After use, simply open the valve for instant deflation. No troublesome air extraction required. 【Waterproof & Washable Nylon Material】 Made with 40D ripstop nylon + TPU processing, it combines waterproofness, durability, and lightness. It can be washed with water if it gets dirty, keeping it clean. (※Please close the valve securely when washing) 【Versatile: From Camping to Meditation】 A multi-functional cushion that can be used in all situations, from camping, mountain climbing, picnics, sports観戦, parks, travel, inside tents, indoor yoga, and meditation. 【Weighs Only 150g & Packs Down to Palm Size】 When in use, it's a spacious 50 x 50 x 5cm. When stored, it folds down to just 10 x 9 x 3cm. It can be easily stored in the included storage bag and tucked away in the corner of your backpack.