Description: 6" x 725' - 6 Mil Black Poly Tubing Features: • 1 ROLL • Opaque, all virgin poly is best for reducing exposure to light • Make your own custom size bags by cutting the tubing to the desired length, inserting the product and heat sealing both ends. Add flexibility to your line without the need to stock an expensive variety of bags. Black, low-density polyethylene completely conceals contents. Seal using .