FLOCK THREE Waterproof car trash bag is made from water-resistant TPU. It is reusable & double layered (both inner and outer) . The top drawstring is made from nylon rope and the bottom dispenser has a pair of velcro bars sewn in, each bag has a handle strap on top of the holder. It can be use as a car trash bag for you to hang it in your car, or it can be use as a grocery bag holder to hang anywhere in your kitchen, bedroom, storeroom or workshop. There are two rows of snap buttons on the bag to adjust the length and size of the bag according to needs. It's portable and machine washable, super lightweight and easy to keep.