There are 3 layers in this TPU waterproof fabric.    
    The first layer is water repellent.    
    The middle one is basic fabric. It's 420D nylon oxford fabric  with good tearing strength and tensile strength.    
    The bottom layer is TPU Film. It makes the fabric to be completely waterproof and airtight. The soft and elastic TPU layer are easy to weld.          
    Specification    
    Item Name:  420D nylon oxford bonded TPU film with PU coated for waterproof bag    
    Basic Fabric:  420D*100T nylon oxford fabric    
    Total Thickness: 0.30-0.50MM    
    Thickness of TPU Film: 0.06-0.20MM    
    Total Weight:  300-500 G/M2    
    Color: Blue    
    Width: 145CM    
     Contact with us, we'll send you the exact specififation.             
    Product Features             
    1. Excellent low temperature flexibility, could be doubled up under -55ºCwithout causing cracks.    
    2. Outstanding abrasion resistance, oil resistance and ageing resistance     
    3. Completely waterproof and windproof    
    4. Super airtightness for inflatable products    
    5. High tensile strength and tearing strength    
    6. Good flexibility and rebound resilience    
    7. Environmentally friendly and non-toxic, could be decomposed by microorganism within 3-5 years when buried.    
    8. Soft and smooth hand feeling    


