L’avvento Laptop Backpack with One Compartment for Laptop with Safety Strap to avoid Sliding, with Pens and mouse Holders Made by High Quality Polyester Foamed Waterproof and Leather Material with L’avvento Zipper Puller Front Pocket for instant Accessories Main Padded Laptop Compartment with Safety Straps to avoid Sliding Trolly Strap on the Back Padded Hand and Shoulder Straps for Comfort Carrying