Highly flexible, 8.5-micron (0.33-mil) plastic provides ideal conformity during application. High-density plastic and reinforced "star steel" bottom deliver superior performance and protection against leaks and breakage. Convenient and durable polycarbonate wall mount, floor stand, or mini "on-the-go" dispenser (sold separately) dispenses one bag at a time—every time; self-opening bags for easy use. Mini dispenser is compact and ideal for road trips, small compartments, etc. Bags are also great for paraffin treatment: deep 3-gal (15 x 20) capacity and high-density material perfect for covering and retaining heat.