Exterior is made of premium 100% yarn-dyed neoprene and Performance Air Mesh. Yarn-dyed fiber has incredibly rich color that holds its vibrancy over time. The lining, zipper bag, and dust bag are all made from Repreve® recycled polyester – a durable, versatile material that turns recycled bottles into bags. The large backpack can carry everyday necessities including most tablets and laptops up to 13”. Extra zipper opening for easy access wipes and pockets with soft touch Velcro. Adjustable straps, 5 interior pockets and 5 exterior pockets (including a zipper front pocket with second zipper (for easy access to baby wipe pouch). Features color-plated zinc-alloy hardware. Features a luggage sleeve.