Brand new with tags (tag is slightly ripped in the back); NO PERSONALIZATION ON BACKPACK. 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. KEY PRODUCT POINTS Pottery Barn Kids exclusive. Mini backpack does not include a chest strap. Mini backpacks are made of 30 units of 500ml recycled plastic bottles, exclusive of trims. Small backpacks are made of 40 units of 500ml recycled plastic bottles. Large backpacks are made of 42 units of 500ml recycled plastic bottles. X-Large Backpacks are made of 40 units of 500ml recycled plastic bottles. Rolling backpacks are made of 70 units of 500ml recycled plastic bottles.