It is makde of Durable transparent waterproof clear PVC material, This large capacity clear backpack could meet your needs of packing all stuffs in one bag and keep you hands free. It is suitable for those who need to pack a lot daily essentials frequently for a long trip or the students go to school for everyday use. The heavy duty see through book bag allows you get through security quickly at airports or stadiums and access to your stuffs with convenience. The size is 10.25 x 13.4 x 4.72inch.