|The ThinkPad Ultralight cases are ideal for users who rely on technology to power their day. Users who value less-is-more will still benefit from the surprising storage that this case offers when more is needed. No other case on the market combines military-grade materials, such as Kevlar and ripstop, with composite rods to create maximum protection at such a light weight.- Military-grade materials: Kevlar blend fabric and Ripstop provide maximum protection at minimum weight. - Composite rods protect the system. - EVA foam back adds stylish design as well as added protection. - Fits up to 14.1" ThinkPad notebooks. - Backpack weighs only 0.65 kg, Topload weighs only 0.55 kg. - Pockets for smartphone, tablet and AC adaptor. - Limited Lifetime Warranty. - ThinkPad Branded.