Our classic Backpack is made of tough 5 MIL clear virgin PVC for clarity and 600 denier strapping with nylon stitching for light weight durabilityand style. Our products can be washed off with a wet cloth and is waterproof in the rain. The Backpack comes in 3 convenient sizes and will provide years of service.   We have direct continuous communication with our manufacturer which allows us to engineer, develop, specify and deliver our products quickly. Many schools, businesses, public sports arenas and prisons are requiring transparency for security purposes. Our clear Backpack meets the criteria for transparency and visibility in most security situations. Not only are our products stylish, they are practical and sturdy made of highest quality materials. Contact us for custom items to meet your specific needs. If you have any questions about our products we would appreciate your phone call or email.