Features:

• 100% Brand new and high quality
• Reusable, Non-remaining trace, a New Powerful Washable Adhesive
• The Ring can be revolve in either horizontal direction 360 degree or vertical direction 180 degree
• Help to Protect the back side and hold the phone tightly
• Adhesive build-up by water
• It is convenient to take photo with one-hand
• It is convenient to text input, play games or watching movies
• It can use all the functions of slide mobile and tablet pc with one-hand
• To effective reduces the risk of falling down in crowed place