1. WaterProof Nylon Material: By using spill-resistant nylon fabric and with protective padding around inside,this macbook air sleeve will protect your laptop in accident just like Car Airbag. 2. Extra Accessory Pocket: providing additional storage space for smaller items such as your iPad, smartphone, or laptop accessories. 3. Slim and Lightweight: does not bulk your device up and can easily slide into your briefcase, backpack or other bag.