Start Portable Mini Round Hard Storage Case Bag for Earphone Headphone SD TF Cards (Blue) Material:EVA  A cute and practical gift for yourself or friends and families Size:Thickness: approx. 3.3cm/ 1.30"  Diameter: approx. 8cm/ 3.14" It has a zipper to open and close, conveniently and easily Unique ball shape designed to custom fit your small electronic devices such as: Earphones, Memory Cards, USB Cable, U disk etc. Mini and light weight design, can put it in pockets or bags  Hard outer shell can protect your goods from external pressure and damage We have selected the fastest mail for you! About us:if you have any question,you can contact us,then we will solve it for you  .More surprise product sold by "START"Please pay more attention to our company-www.amazon.com/shops/start_wuvi