Gently used- small scratch on front pocket (see 5th photo) Size - Small - Made of rugged, water-resistant 600-denier recycled polyester. - Interior is lined with 150-denier recycled polyester. - Yarn-dyed fiber has incredibly rich color that holds its vibrancy over time. - All backpacks have adjustable PP webbing straps that are contoured and padded to ensure a comfortable fit; padded back panel adds extra cushioning. - Features a YKK zipper closure with a Nickel finish. - Exterior side pockets are designed to hold any of our water bottles (sold separately). - Our glow-in-the-dark backpacks features a material that needs to “charge” under bright light for approximately half an hour to glow properly. - Glow lasts for approximately 3 to 4 hours. - The Glow effect will become weaker over time.