From Matt & Nat: Small backpack with adjustable straps. Top flap with magnetic closure. Expandable gussets at the top to widen the opening. • Interior: Zipper pocket, smartphone pocket, logo-embossed Matt and Nat patch. •Adjustable Back Straps The outer body and lining of the Arbor collection are made from recycled materials. All of the interior linings of our bags are made from 100% recycled plastic bottles. Our company is completely vegan and cruelty-free.