These collars are adjustable and made of heavyweight polypropylene webbing for outdoor use. They have excellent UV protection, low stretch, and do not absorb water quickly giving a better resistance to mildew and rot.
1 Inch Heavyweight Polypropylene facts:
- Thickness of 0.060 of an inch
- Breaking strength of 900 pounds (maximum recommended working load 300 pounds)
- Melting point of 330 degrees fahrenheit
- Each collar has contoured single-adjust side-release plastic buckles with metal nickel-plated, and welded steel D-rings.