Features: Product Material: Crafted from a combination of Lycra and TPU, these 3D inflatable seat cushions feature a soft, smooth texture with cooling fabric and air chambers. The design minimizes heat transfer between your legs/hips and the seat, providing breathability and pressure relief. Hand wash only (not machine washable or dryer safe) Ergonomic Design: The interconnected air chambers offer flexible support, reducing pressure by 30% through point contact distribution. Great for extended sitting during work or leisure, it effectively alleviates fatigue for a more relaxed seating experience High Weight Capacity: Engineered to comfortably support up to 250 kg, these air seat cushions maintain elasticity and structural integrity. The high strength materials ensure long term stability and extended product usage Material: TPU, Lycra Using Temperature: Minus 30°C to 75°C How to Use: Press the Valve with Your Finger to Inflate Style Optional: 36 Air Cells Style, Hollow Center Style 36 Air Cells Style: 44x44x4.5cm/17.32x17.32x1.77 inch Hollow Center Style: 48x43x4.5cm/18.9x16.93x1.77 inch Package includes: Style 1: 1 x 36 Air Cells Style Inflatable Seat Cushion or Style 2: 1 x Hollow Center StyleInflatable Seat Cushion