Process:Rotational molding. Material: LLDPE Plastic Feature:Waterproof, Dustproof, Corrosion resistance, and Shocks absorption ²Excellent ... and tasteless, the technology is rotational molded, which makes the box waterproof, strong impact resistance . And in the field of ... shock absorption , waterproof , and so on. One of the luggage box is designed uniquely and convenient for carring.All the boxes ...