The Excursion Recycled Backpack Cooler is made from RPET. This backpack cooler features a large PEVA lined, zippered main compartment thats perfect for taking with you on a hike or picnic. The mesh side pocket makes carrying your water bottle an ease. Store essentials in the front zippered pocket. Get the perfect fit with the adjustable, padded shoulder straps. Through a partnership with 1% For The Planet one percent of sales of this and all EcoSmart products will be donated to nonprofits dedicated to protecting the planet.