The outer layer is made of DuPont paper with natural folds similar to paper, and the inner layer is made of 10 ounce polyester cotton canvas. Waterproof and washable, it also has the characteristics of wear resistance, lightweight, and tear resistance. This price is for the base model and supports adding locks, zippers, Velcro, and inner pockets. Easy to carry when going to work, school, picnic or barbecue places. Customize this product with your imprint and distribute this practical promotional item at the next event!The quantity of over 500 pieces is based on sea freight