Come and see our amazing products. It is made of polyurethane(PU), the tiny size measured 2.36"x1.97"x0.98" is convenient for taking. It can protect your earphone very well and you can also charge it without taking it out. Charging so easy. There are 4 colors:Blue, Brown, Pink and Black. What a great idea to print your logo on it to promote your brand. QTY over 2000pcs will be shipped by sea. Pls confirm with us about the packing info, stock color and exact production time before placing your order