1. The prismatic trachea disperses pressure, supports well, and facilitates air circulation 2. Inflatable use, easy to store and carry 3. Self-rebound one-way inflatable structure, easy to inflate 4. Double air valve, quick inflation/deflation 5. High-frequency composite lamination process, inner TPU sealing coating, wear-resistant and waterproof 6. Thickened design, soft and stable, comfortable fit 7. Material: TPU 8. Weight: about 850g 9. Size: about 200 x 70 x 8cm
