Material : Metal + Silicone 
1. Rugged full coverage dust-proof and shock-proof (Definition of waterproof means it is water splash proof.)
2. Drop will not suffer any damage for the phone.
3. Before installation : Please wipe the phone screen and keep it clean.
4. In order to better touch, the phone can not have a screen film .
(Note : if your phone put up a thick film, two superimposed phone film will lead to the touch does not work .)
 
Warning: This case is not designed for under water use at any depth. This is a heavy case , Do not Swimming Diving .
Size : for iPhone 8 8PLUS 7 and 7 Plus 5 5s 6 6s 6plus 6s plus