Cooler straps made of high-quality material and the deck bolts are made of 316 marine grade stainless steel for rust protection and durability. Battery straps are used to secure cooler boxes, battery boxes, tool boxes, gasoline, and other equipment to your RV or boat. The unit will not slide. Secures batteries, cooler boxes, and fuel tanks to boats, decks, flatbeds, trailers, RVs, cars, etc., prevents equipment from sliding, and is used to secure a variety of heavy loads and travel items. The battery straps are long enough, 2 strips of 79 inches long enough to add extra batteries. The battery strap is lightweight and sturdy, and the metal fasteners are equally sturdy. An absolute smart buy that meets your needs. Hold the battery very tightly. The buckle has a solid gear design that quickly snaps into place for securing and adjusting. Never falls off, good flexibility, easy to store, does not take up space. Included: 2 heavy-duty stainless steel shoulder straps with cam buckles, 4 pcs 316 stainless steel cap bolts, and 8 small screws. We provide all necessary hardware for this battery band. Color: As shown Material: 316 stainless steel Package contents: 2 sets x Battery holder straps Only the above package content, other products are not included. Note: Light reflections and different displays may cause the color of the product in the picture to differ slightly from the real item. The allowed measurement error is +/- 1-3 cm.