Compatible Model ▶Size 38mm ONLY compatible with apple watch Series 3 38mm / apple watch Series 2 38mm / Series 1. You will be receiving 3 pack apple watch screen protector 38mm with built-in tempered glass case. NOTE: Please choose the correct size as you need choose the size variation "38mm" Built-in HD Clear Tempered Glass ▶ Mugust hard PC case made of premium anti-yellowing PC materials, Ultra-thin glossy and lightweight will not add extra bulk to your apple watch. 9H hardness tempered glass offers 99.99% HD clarity provides full protection. More wear-resistant without fingerprint residue, Drip-proof, Anti-fog, Dust-proof function. Protects your iwatch from drops, bumps, scratches and daily wear and tear Precisely Cutouts ▶ The design on around sides perfect fits all ports, protects your apple watch cover screen protector body from impact at the same time. Allows access to all controls, buttons, sensors and Apple watch features. Band install / Watch charging / Bluetooth / Heart rate monitor / Speakers / microphone are all easily accessible Easy Installation ▶ You can easily put it on the iWatch case without taking your band off, takes less than one minute, Don't worry about bubbles. The precise hollow design on the back can be directly charged without removing the watch case, easy and convenient Superior After-sale Service ▶ We support free return if there is any quality issue with Mugust 3 Pack for Apple watch series 10 case with built-in screen protector. 12 months warranty for REPLACEMENT for the defective item. If there is any question, please feel free to contact us, Our team will support you within 24 hours