As the name suggests, a waterproof bag is a bag with good waterproof function. It is usually used in outdoor activities such as swimming and outdoor travel. So which fabric is the best for the waterproof bag?
1. PU material, this fabric can resist splashing water or light rain when the water pressure is 2000-4000mm.
2, PVC material, PVC waterproof bag, is made of polyethylene resin, with strong waterproof performance.
3. TPU material, TPU material refers to thermoplastic polyurethane elastomer, which has the characteristics of environmental protection, beauty and softness, and is a good material for making waterproof bags.
Among the three kinds of waterproof bag materials, the better ones are mainly PVC waterproof bag and TPU waterproof bag.