This special edition of the KANKEN backpack is made from recycled polyester obtained from eleven plastic bottles. The backpack was dyed with SpinDye technology, which uses up a significantly lower amount of water, energy and chemicals. In other words, this backpack is an improved version of the original that you came to love so much. It not only looks good, but it’s also environmentally friendly. It’s spacious enough for all your belongings and mindful of the planet.