At present, there's many inner bag brand, style novel, it is spoiled for choice. But as a senior Notebook Sleeve manufacturers, have the obligation to disclose trade secrets to you.

1 Neoprene (also known as diving cloth, English name called neoprene), waterproof and shockproof scratch, is the most popular and most widely used material;

2 foam (it was dubbed the fake or imitation neoprene neoprene, the English name: foam),

3 memory foam (also known as inert foam or memory foam, the English name: memory foam)

4 Other fabrics