GFHFG For Watch Case with Protector Compatible with Watch Series 4/5/6/.For the install of this product, we need to make the following 4 tips:1. Cleaning the watch .2. First install watch .3. Don't press the protector to avoid falling off and rupture.4. Press the frame and install it completely.(KINDLY TIPS)1. This cases is not waterproof, it doesn't support while swimming. If you forget to take it off, or using this product at gym or sports activities may cause the moisture to be trapped between this product and the watch . You just need to wipe with a .2. This product has a protector, so you need to make sure that no other protector is installed on your watch. Negation affects the Press sensitivity of the .size: 44x44x20mmMaterial:glasscolour:BlackPackage Contents:1 x Watch Case 1 x Cleaning bagOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.