RIALVAREZ SHOPPING SRL. Hot PU Leather Backpack Women Casual Big Size Travel Pack For Teenagers Material: High Quality Genuine Cowhide Cloth and Soft Polyester lining. Made with a soft microfibre fabric inner fabric to keep the water nice and soft during the day. The outer cover is made of polyurethane foam that will hold the backpack in place while the interior features high-quality faux fur trim.