Features: Premium Material:The 16L Bicycle Shoulder Backpack is made of high quality nylon materials. The nylon fabric is waterproof and tear resistant. The backpack is designed with reflective stripes, which makes it safer to ride a bike at night. Multiple Usage Scenarios:As a cycling backpack, it fits various sports activities such as running, mountaineering, walking, rock climbing, hiking, cycling,etc. Also as a commuter backpack, it will be excellent for your daily life, business,leisure, work. Ergonomic Design:This backpack has an ergonomic design on the back for maximum breathability and comfort. The straps are made of breathable material, adjustable padded shoulder straps on the chest, strap and waist strap adapts to your needs. Multifunctional Design: The bike backpack has multiple pockets which give you all the space you need to store your various necessities. Designed with an external zippered pocket, it is convenient for storing and taking out frequently used items, such as cell phones, handkerchiefs,etc. OUR PROMISE: We will try to provide customers with satisfying products and services. If you have any questions, we will reply within 24 hours. Specifications: Material:Nylon Color:Grey Green Yellow Orange Size:48x32x11cm/18.89x12.59x4.33in Note: Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Packaging Includes: 1 x Bike Backpack