Size: 14.1-15.4 "universal sizeExternal dimensions: 39.0X28.5X4.0cmInternal dimensions: 37.5X27.0x3.5cm1.360 computer frame protection, in view of the computer frame is easy to damage, the frame thickened pearl cotton inside the fluff, can protect the fragile computer frame 360 degrees2. Newly upgraded comprehensive protection, thickened shock-proof sandwich, to provide higher strength protection, inner suede protection Super soft and velvet inner, avoid computer scratching3. Side opening, innovative side opening design -- convenient, safe, fast, classic large capacity, two front bags, accessories easy to install, hardware zipper head, two-way zipper head smooth and easy to pull4. Leather portable, long lift no hand pain, comfortable hand feel, detachable buckle, the length of the shoulder strap can be adjusted5. High density waterproof polyester, effectively protect the computer, prevent accidental splash