Echeer Extrme Military Duty Aluminum Metal Case Cover Armor Gorilla Glass Shock Dust Proof Full-body For Samsung Galaxy S7 White The case is Water Resistant, Dust Proof, Snow Proof, Drop Proof, Shockproof and it has a HD clear scratch resistant screen guard to complete the protection High impact polymer bezels Tempered glass protecting the iPhone fragile screen with anti-fouling and anti-glare function. Shock+dust resistant acoustic port protection Material: Aluminum, Silicon,All the button funtions can be used with this case,you do not need to take the case off