Materials: polyester fiber Lining texture: nylon Colors: black, grey, Pink Size: 13 Inch/35.5*25.5*3.5cm Weight: about 400g Opening method: zipper Package content: Laptop bag * 1, shoulder strap * 1 1. The external size is 37 * 27 * 4cm, and the internal size is 35.5 * 25.5 * 3.5cm, suitable for 13 inch laptops. 2.Adjustable shoulder strap; luggage strap allows briefcase to slide over the luggage tube. 3.This laptop bag is designed to be Not Bulky, has various pockets and compartments to hold daily essentials like laptop, pen, phone etc. 4.Made of durable water resistant polyester fabric, with metal zippers to provide a sturdy and reliant using experience. 5.It's for professional office work, business travel, weekend getaway or school life. Its quilted look can serve as a shoulder bag, office bag, laptop carrying bag, laptop crossbody bag, business bag for women.