1. The same soft material inflation port has the same thermal expansion and cold contraction ratio, so there is no longer worry about air leakage caused by temperature difference. 2. No peculiar smell and noise. 3. Easy to clean. 4. Wide range of application. 5. Specifications: Z2: 48 x 36 x 22 x 17cm, PVC fabric, cold resistance -20 degrees Celsius, static load bearing 150KG Z4: 50 x 40 x 30cm, PVC fabric, cold resistance -20 degrees Celsius, static load bearing 150KG Z5: 50 x 40 x 38cm, PVC fabric, cold resistance -20 degrees Celsius, static load bearing 150KG
