Backpack made with 100% recycled materials. Medium size. *Retaining the streamlined design of the original, this updated version features updated zip closures and a single larger front pocket. *This expandable backpack has plenty of space to carry everything you need while fighting against plastic pollution! *Each bag is made from 18 recycled plastic bottles that were destined for our oceans, creating a lightweight, water-resistant material without any PFA coatings.