Protective Plastic Travel Case With Carabiner | Compatible With Apple® 8-Pin, Micro USB And Type C Devices | Simply Plug The Cable Into A Powered USB Port And Then Into Your Device Or Smartphone | Charge Multiple Devices At Once When Using An Ample Power Source | Apple is a trademark of Apple Inc., registered in the U.S. and other countries.. Approximate Size: 2 1/2″ Diameter , Imprint Area: 1 3/4″ Diameter