Product Name : Hand Grip ; Package Specification : 1 Pack ; Main Material : PC, TPU and Copper ; Detailed Size & Weight - 4 x 0.8 x 0.6 Inch, 0.3 Oz ; Product Function ; 1. Pasted on the back of cell phone, It can prevent slipping and falling off ; 2. It can support grapping cell phone for using cell phone, watching movies ; 3. The car navigation function can be used with the vehicle magnetic base ; Instructions ; 1. This product is recommended to be attached on the Cell Phone case, Not on the bare Cell Phone, Especially the Cell Phone with glass back cover ; 2. Before use, Please make sure that attach to the Cell Phone  or case in clean condition  with free of dust and stains ; 3. Tear off the protective film on the bottom plate, attach the  hand grip on  the Cell Phone or Cell Phone case and gently press twice to attach it properly ;