Yay! These backpacks are made of recycled PET bottles. On the front you find an extra pocket. The lining is waterproof. 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. The inside has a pear pattern all over. 

size backpack - 27 x 13 x 38 cm
size shoulder handle - maximum length 67 cm

outside - recycled RPET 
inside - waterproof nylon
zipper - YKK zipper
handles - cotton webbing