The Sienet - MR3950 is a waterproof business backpack. This backpack is crafted from high-quality leather membrane material, offering excellent waterproof and scratch-resistant properties. It features a spacious interior that can accommodate laptops up to 15.6 inches. Feature Specification Dimensions 44cm x 29cm x 16cm Weight 1.05kg Color Options Classic Black Shoulder Strap Length 42-90cm Material 900D Non-compound Film Material, Water Splash, Dirt and Scratch Resistant, Polyester Lining Capacity Front Zipper Pocket x 1 + Living Compartment x 1 (Pen Slots x 2 + Open Pockets x 2 + Zipper Pocket x 1 + Elastic Mesh Pockets x 2) + Top Pocket x 1 + Main Pocket x 1 (Laptop Compartment x 1 + Tablet Compartment x 1 + Elastic Mesh Pockets x 2) + Side Pockets x 2 + Back Anti-Theft Pocket x 1 + Card Slot x 1 Capacity (Compartment Sizes) Laptop Compartment for 15.6 inch Laptop: 43cm x 28cm, Tablet Compartment for 11 inch Tablet: 17cm x 26cm Extra Features Third generation concealed USB charging interface (both input and output possible), YKK Zipper + Luggage Security Strap + Elastic Retractable Keychain for comfort and convenience