This Sleek And Rugged Case Has Been Designed To Complement The Type Cover And Surface Pen While Protecting Your Microsoft Surface. Our Unique Transparent Back Panel Allows The Pristine Beauty Of Your Device To Shine Through. Slim And Lightweight Yet Super Protective The Dux Has Been Tested To Meet Or Exceed U.S. Department Of Defense 810G Drop Tests Standards.Please Note Keyboard Is Not Included.We Make It A Point To Go Above And BeyondEven In The Way We Test Our Products. Military Standards For Drop Testing Require That A Product Like Dux Be Able To Maintain All Operating Functions After Plummeting 26 Times For A Height Of 4 Feet. We Subjected Dux To Our Own Extreme Testing At 6.6 Feet. It Passed. And That Calls For The Best Drop Of AllA Mic Drop.We Use Completely Transparent Materials For Our Back Panel That Allow You To Customise Your Device With Personal Images Scan A Tagging Barcode Or Simply Let The Beauty Of Your Device Shine Through. But ThereS One More Thing We Want To Make Perfectly Clear: This Stylish Case Still Provides The Maximum Level Of Protection For Your Digital Gear.