Made of super light waterproof fabrics.High strength zinc alloy resin zipper</br>Reduce the burden system design?? travel more convenient?? the backpack the thickening sponge protection a good protection; it can effectively reduce the burden</br>Suitable for hiking camping climbing traveling cycling all outdoor activities</br>Capacity:25L; Size: 18.5"11.4" x7.0" (Hx W x D)</br>Package includes: 1 * backpack</br></br>Product Description</br></br><b>Product Specifications: </b> <br> 1.Capacity:25L <br> 2.Size: 18.5" x11.4" x7.0"(Height x Width x Thickness) <br> 3.Material: Nylon <br> 4.Bear system structure: Balance <br> 5.Color: Black/Yellow/Red/Purple/Green/Blue/Orange <br> <br> <b>Product Feature: </b> <br> 1.Breathable mesh shoulder straps?? bottle holder on the both sides. <br> 2.Water-repellent and tear-resistant Nylon Material. <br> 3.It will be a fantastic necessity for not matter outdoor sports or leisure activities in or out of the city. <br> 4.Convenient for hiking??traveling??camping??running??cycling??mountaineering. <br> 5. Adjustable shoulder strap and waist strap to fit your need. <br> <br> <b>Washing instruction: </b> <br> 1.Don't wash with liquid detergent or bleach. <br> 2.Clean with wet cloth if necessary. <br> 3.Dry naturally. <br> <br> <b>Package includes: 1 * backpack. </b> <br> <br> <b>Click the Yellow " Cart" Button at the Top of This Page to Enjoy Your Happier Trip Now! </b> <br></br><br/>http://www.amazon.com/gp/product/B010LAU5CGeeries a