*Length: 5',6',7'
*Width: 20",22",23"
*Thickness: 4"
*Surface material: PVC tarpaulin
*Air chamber material: wiredrawing leather *Accessories: waterproof backpack,alumunum paddle,high pressure pump,barometer.
*Maximum air pressure value: 15psi
*Load-bearing: 50KG
*Service life: 2 years