Evecase Universal Neoprene Sleeve Case Bag Cover for Lenovo IdeaPad 14-15 Inch Laptop/Notebook &ndash; Black External Material: High density neoprene material. Internal Material: comfortable touch feeling plush. Soft and reversible neoprene can protect your devices from impact, suddenly drop, scratch, dust, oil and etc. Comfortable inner plush material can avoid making any slight scratches when your device is in. Slim and lightweight; does not bulk your laptop up and can easily slide into your briefcase, backpack, or other bag. Please verify dimension of your device prior to purchase to ensure a proper fit.