These are heavy-duty, nylon 6/6 lashing cable ties with a stainless steel barb locking style. They have 200 pounds of tensile strength and measure 19 inches long, 0.18 inches wide, and 0.04 inches thick. These cable ties come in packages of 25. They have a maximum bundle diameter of 1.75 inches and are for outdoor use in temperatures between -40 Degrees F and 185 Degrees F.