1. Material: zinc alloy base + tin alloy support + adhesive2. Single size: about 3.4 cm in diameter3. Single weight: about 28 grams4. Surface treatment: electroplating5. Applicable mobile phone: general6. Features: lightweight and firm, fully polished and electroplated, folded 180 degrees, 360 degrees rotation, smooth appearance, the phone can be placed flat on the desktop without shaking, can be used with all magnetic car holders, nano-adhesive, It can be pasted repeatedly, does not fade or rust, and is durable

http://olla.gr/10-pcs-mobile-phone-ring-holder-creative-metal-ring-buckle-holder-rose-gold/