BioThane Decker or Sawbuck Pack Saddle Breast Collar. Made with US produced BioThane Granite. BioThane Granite is TPU coated polyester webbing, making it strong (3000 pounds of tensile strength), durable, easy to maintain (wash with soap and water, no oiling), wont stretch, and will remain flexible, won’t freeze even in the harshest of conditions. This Breast Collar measures 3 inches X 30 Inches, the BioThane is thin and flexible, which allows for it to move with your animal and not cut into them. Comes in Black with your choice of Solid Brass, Stainless Steel, Brass Plate, or Nickel Plate hardware.