0.49 high 3.49 wide ??Lifetime Warranty??: Yes, you are right. Contact us anytime for any issue. We are confident about our products. Please make sure you buy from our store: EFFUN. Products from other stores are FAKE!!! ??100% Waterproof??: Perfect for the iPhone 8 Plus/iPhone 7 Plus. IP68 waterproof certified, two pieces design and fully sealed, submersible to over 6.6ft/2m deep for 1 hour, diving, surfing, swimming or snorkeling up to 6.6ft/2m underwater or just relax in the bath with your beloved new iPhone! Protect your phone from water/rain. It is also perfect for boating,skiing or daily use. ??Precise Cutout & Compatibility??: The precision cutting fits iPhone 8 Plus/ iPhone 7 Plus perfectly, customized for iPhone 8 Plus/ iPhone 7 Plus, precise design of each button and port based on iPhone 8 Plus/ iPhone 7 Plus outline. All buttons and controls such as touch ID, power key, volume button, camera and charging port, are easy to access just like it normally would without the case. ??Multi-protection??Shockproof designed and tested to 6.5ft/2m high, protect your phone from shock and drop. Fully sealed for optimum protection against water,dust particles,snow and other hazards. Meet IP-68 Ingress Protection Rating and military standard 810F-516. ??High Quality & Best Sound Quality??:Use top-level TPU as manufacture material, uttermost reduce the effect to the signal to provide protection from scratches. Voice are perfectly enhanced, overcome bad voice problem of fully sealed waterproof case, without any interruption to your mobile phone call thanks to special loudspeaker design on the bottom of front cover. Cover comes with high touch sensitivity built-in screen protector. Works well with camera and takes photos.