120156-005 Heavy Duty Battery Box Replacement Strap Kit (5 Pack) - This heavy duty strap is made of polypropylene, which is impervious to battery acid (Nylon straps break down in acid) and the strap is UV resistant so it will not become brittle in sunlight. Heavy duty strap 40 Inches long, 1.5 Inches wide (104 x 3.8cm), buckle, mounting brackets, and 4 screws,Made of polypropylene, impervious to battery acid, nylon straps break down in acid,Strap is UV resistant, won™t become brittle in sunlight