Composed of 43% post-consumer recycled (PCR) plastic.* *Excludes silicone hand strap, pen holder, and keyboard holder Built in collaboration with Microsoft for exceptional quality, form, fit, and function Ready for anything, military grade protection meets drop testing (MIL-STD-810H Method 516.8 Shock) and wipe down (MIL-STD-810H Method 504.3 Contamination by Fluids) standards Next-level functionality features include a self-adjusting hand strap, a stretch band for keyboard, and a removable pen holder Slim, lightweight, and easy to use when traveling Provides unhindered access to all ports and includes heat dissipation channels to protect your device from overheating Support for a cable lock allows you to protect your investment with a Kensington keyed cable lock, sold separately (K68134WW) Privacy screen compatible, sold separately (K51700WW) Surface Pro users navigating the demands of harsh work environments need a case that can withstand the toughest conditions without compromising