*Length: 9'6"or 11' 
*Width: 30"or 31" 
*Thickness: 4"or 6" 
*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: 95KG 
*Service life: 2 years