1.[THOUGHTFUL FEATURES] : Minimalistic uni-body design, Mega storage space with smart organizing system with USB charging port, fits up to 15. 6 Inch Laptop. 2.[MATERIAL AND SIZES]:19.3 x 12.2 x 5.9 inch, approximately 30L.Durable Eco-Polyester exterior with water repellent coating. Abrasion proof soft-touch satin linings. 3.[EXCHANGEABLE PANEL]: Every UNO includes the incredibly useful standard laptop panel. We also offer other 3 different types of interiorpanels specially designed for Cameras, Sports and Art.