100% nylon. Waterproof. Double durable zipper pulls make opening/closing simple and fast. Mesh top panel for easy identification of contents and ventilation. Can be folded to a small bag to save space convenient to carry. Dimensions: Large: 18.9 x 13.4x 5.5 inches; Medium: 13.4x 9.4x 5.5 inches; Folded: 5.3 x 3.7 inches 0
