Protect wader booties and boat decks from wet, muddy waders and boots with Simms Guide Change Mat. Waterproof TPU nylon base with polyurethane-coated nylon fabric stands up to the elements to give you seasons of wear and tear. Rolls up and secures with a Velcro strap for easy transport and storage. Imported. 36L x 24W. Color: Black. Wt: 28 oz. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Organizers.