Ultra-durable and strong Seachoice Battery/Tie-Down Straps are an excellent choice for securing your battery box or other equipment. The polypropylene strap is waterproof and resistant to rot and acid. This is a 1-1/2 strap in a 42 inch length with rust-proof, black plastic buckle, mounting brackets, and stainless-steel screws. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.