Detailed Product Description mobile phone charm strap 1.Material:SGS,ROHS certificates. 2..Shape:any custom design is ok. mobile phone charm strap Product other names:mobile rope mobile strappersonalized mobile phone strapcouples mobile phone strap 1. It is a new design , instead of rubber or pvc, it made with environmental silicone—SGS,ROHS approved, which will make it much softer,safer,more ...