<p>Note to dear customers of Kopack: Our trademark is Kopack. For old batch order reason. So few products may with other logo on it. Please just make sure you ordered from Kopack store. Then you get right product. The Kopack gray black laptop backpack fits laptops with up to 15.6 inch screens offering an array of impressive features for staying organized and keeping items accessible and secure.</p><p><b>External USB Interface:</b>External USB with built-in charging cable offers convenient charging of your USB enabled electronic devices whether on a business or weekend trip.</p><p><p><b> Material: </b> Water resistant and tear-resistant nylon fabric<br><b> Shoulder Strap: </b> Mesh padded adjustable shoulder straps<br><b> Zipper: </b> Dual -access zipper with anti-thief design on main pocket<br><b> Detail size: </b> 30cm x 11cm x 45cm / 11.8'' x 4.3'' x 17.7''<br><b> Laptop compartment size: </b> 38cm x 24cm (14.96'' x 9.4'') for 15.6 inch laptop<br><b> LightWeight: </b> 1.56lb</p><p><b> Application: </b> <br>Multipurpose Daypacks is perfect for business trips or weekend getaways or for simply heading to the office or school and home again.</p><p><b> Package includes: </b> <br>1 x Black Gray Business Laptop Backpack</p><p><b> Note: </b><br> DO NOT wash it with hot water and alkaline detergent.</p> 2. Water repellent in 5-10 minutes, clean water in 5 minute will not left any mark , If you let water/ rain on it too long time, it will absorb into it. Do not use it in heavy rain