DZT1968&reg; Storage Case Bag for Earphone Headphone SD TF Cards Colourful Portable Mini Round Hard (Pink) DZT1968 is a registered trademark and the only authorized seller of DZT1968 branded products. Size:Thickness: approx. 3.3cm/ 1.30" Diameter: approx. 8cm/ 3.14" PLS allow 2-3 cm error of the measurement, and CHECK the size before ordering, or you can contact our CS for help Unique ball shape designed to custom fit your small electronic devices such as: Earphones, Memory Cards, USB Cable, U disk etc. If there is a problem about your order, pls contact us and we will do our best to help you solve the problem