High Quality Material - The Foldable Backpack Made With High Quality Polyester Material,Strong And Sturdy,Lightweight,Will Bring You Much Convenience. Ideal For Day Trips, Camping, Vacations, Hiking, Travel, School And Shopping. .Waterproof And Durable - This Light-Weight Backpack Is Made From High Quality Tear And Water-Resistant Nylon Fabric, Which Can Effectively Protect The Items In The Collapsible Rucksack From Getting Wet. But It Cant Be Soaked In The Water. .Lightweight And Portable - Weight Only 20G.The Foldable Backpack Can Be Folded Into A Sandwich Size And Put In A Compact Bags, Saving Space In The Suitcase.It Is Your Best Choice For Short-Term Travel Or Pet Walks. .Comfortable - This Packable Travel Backpack Designed With Comfort And Function In Mind.Breathable Adjustable Shoulder Strap Avoid Putting Too Much Pressure On Your Shoulders,The Reinforced Stitching Provide Long-Lasting Performance.