WEKAPO Inflatable Lounger Air Sofa Hammock-Portable,Water Proof& Anti-Air Leaking Design-Ideal Couch for Backyard Beach Traveling Camping Picnics & Music FestivalsEasy inflation: No pump required. Whisk it through the air to inflate. Trap air by closing the sleeve opening before the end of each movement, and keep the mouth closed until you begin the next movement Pillow shaped headrest design: Features a patented pillow shaped headrest that provides comfortable support for your upper back and neck Anti deflation technology: Unique patented design ensures the air lounge stays inflated for at least 5 6 hours once