Yay! These Sticky Lemon backpacks are made from recycled PET bottles! Stylish and earth friendly? Check! On the front you find an extra pocket. The lining is waterproof and has a sprinkles pattern. The zippers are from YKK and the shoulder handles are adjustable. On the inside you'll find an elastic bottle holder and a pocket all over the back that closes with velcro. On the name tag you can write down your name and contact details.