Usage Tips:Cooling straps made of high qualiy material are durable and deck loops are made of marine grade 316 stainless steel for rust resistance and durability Battery straps are used to strap coolers, battery boxes, toolbox gas fuel and other equipment to your RV or boat. The device does not slide. Secures batteries, coolers and fuel tanks to boats, decks, truck beds, trailers, RVs, cars, etc., prevents equipment from slipping, and is used to tie up a variety of heavy loads and travel items. The battery straps are long enough, 2 strips of 79 inches long enough for you to add extra batteries in the future. The battery strap is light and sturdy, and the metal mounting points are just as sturdy. An absolute smart purchase that meets your needs. Hold the battery very firmly. The buckle features a sturdy gear design that snaps into place quickly for securement and adjustment. Never fall off, good flexibility, easy to store, does not take up space. Included: 2pcs heavy duty shoulder straps made of stainless steel cam buckles, 4pcs 316 stainless steel deck loops and 8pcs small screws. Rest assured, we will provide all necessary hardware for this battery strap color:As shown Material:316 stainless steel Package Contents: 2 set x Battery Retaining Straps Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.