MATT & NAT Backpacks & Fanny packs. Upholding a strong desire to protect the environment, Matt & Nat standing for MAT(erial) and NAT(ure), source vegan and sustainable materials such as cork and rubber during the design process. A variety of vegan leather alternative materials are used throughout the course of production such as the lining, which is created from 100% recycled plastic bottles. Made in China. Polyurethane