Upgrade your phone experience with this slim low-profile strap that attaches to any smartphone case. It provides a secure comfortable grip for one-handed use helping reduce hand strain while keeping your device wireless-charging compatible. Secure relaxed one-handed phone grip. Compatible with any phone case . Compatible with wireless chargers. Compatible with magnetic accessories. Compatible with Apple MagSafe®. Non-elastic 0.8 mm thick soft fabric . Strong 3M adhesive leaves no residue. Purple.