Model No.: X8017; internal dimensions of the case: 29.9x20.4x2.7 cm (11.8x8.0x1.1 inch).Recommend Laptop Size: 29.6x20.1x2.2 cm.Please confirm your laptop dimension. If the size of your laptop exceeds our recommended dimensions on any side, this sleeve will not fit your laptop Compatibility: designed to perfectly fit for 13 inch Lenovo ThinkPad Z13 Laptop; 13.3 inch Lenovo ThinkPad Z13 Gen 2 Laptop; 13.3 inch Lenovo ThinkPad Z13 Gen 1 Laptop; 12 inch Lenovo ThinkPad X12 Gen 2 Detachable Laptop Anti-Shock: EVA hard sleeve and features internal upgraded shock resistant padding layer, protect your laptop from inadvertent collision and accidental scratches when put in backpack or suitcase Waterproof: the smatree sleeve is made of durable 1600d nylon, it obstructs water effectively. Don't worry about splashing water, washable when laptop sleeve case becomes dirty Fashion Style: unique diamond pattern on the surface makes your case unique, personalize your laptop with its own unique style