??Lifetime Warranty & Note??: Contact us anytime for any issue. We are confident about our products. Please make sure you buy from our store: EFFUN. Lifetime warranty which safeguards against defects. We take pride in our workmanship and want you to know that we make every effort to make the perfect case for you and your favorite mobile device. Note: Please read carefully and choose CORRECT size!!! 5.8 inch is for Samsung Galaxy S9, and 6.2 inch is for Samsung Galaxy S9 plus. ??Extremely Waterproof??: For Samsung Galaxy S9 plus ONLY. IP68 standard Waterproof, passed 1000 times test underwater 6.6ft/2m deep for 1 hour. Protect your phone from water/rain, perfect protection for any underwater activities or outdoor sports and daily use, such as swimming, diving, hot springs, fishing etc. Supports taking photos/videos underwater. ??Multi-protection??: Full body protection designed to exceed Military Standard 810G-516, safe guard your Galaxy S9 plus even after 1000 times drop from 6.6ft/2m height. And the Effun case is also Snowproof/Dirtproof/Dustproof, rugged to adapt to all harsh environments. Front cover with built-in screen protector of crystal clarity can also prevent scratches, without sacrifice the sensitivity. ??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. ??Product Accessories??: Packaged with a phone stand for a hands-free viewing, and a floating wrist strap to prevent the Samsung Galaxy S9 plus from sinking in the water. In addition, there are more free accessories such as Waterproof Headphone Jack Adaptor, Installation Tools, Lanyard, Cleaning Cloth, User Manual, PH test paper. The PH test paper that can detect whether there is water in the phone case. If there is water entering the phone case, the PH test paper will change color.