Crafted from recycled polyester made using plastic water bottles and accented with recycled leather trim, this backpack offers an eco-friendly twist to Doughnut's roomy Plus One silhouette. About Doughnut Founded in 2010 as a collaboration between several designers, Doughnut seamlessly merges fashion and functionality through versatile silhouettes with a utilitarian aesthetic. Their collection of multipurpose bags offers something for everyone and encourages you to pack your dream, whatever it may be.