- A WHOLE NEW DESIGN - The most beautiful smartphone strap we have ever made. A NEW MOBILE USER EXPERIENCE - Hold your phone comfortably and flexibly. PREMIUM MATERIALS - Saffiano leather. Vivid stitching. Eye-catching hardware. The elastic strap will gradually change to fit the contour of your finger, by design. EXTEND THUMB REACH SECURELY- Help thumb reach more area without shifting grip. STRONG ADHESIVE AND UNIVERSAL FIT - Top-of-the-line 3M® no-residue self-adhesive can be applied on most phones and phone cases. Not working on iPhone 7/7 Plus Jet Black, Matte Black, etc.