Gumdrop Cases SoftShell for Dell 11 3120 Rugged Chromebook Cover - Black Custom molded to perfectly fit the Dell Chromebook 11 The only Chromebook case offering true, tested, 6 foot drop protection. The unique rear bumper design provides flexible hinge protection and heat ventilation. Dual layer shock absorbing bumpers protect vulnerable corners from impact and abuse. Tough, yet lightweight and easily cleaned, fiberglass reinforced polyurethane skin for lasting protection from general wear-and-tear.