Brand: Harris Pool ProductsColor: BlackFeatures: HOLD DOWN YOUR WINTER COVER WITH WATER TUBES/BAGS THAT LAST! Keep your winter cover on your swimming pool during the brutal winter season with the use of our commercial-grade water tubes/bags.OUR WATER TUBES/BAGS ARE BUILT TO LAST! Crafted out of heavy-duty UV-Protected vinyl up to 24-gauge in thickness, our tubes/bags come complete with a leak-proof valve, and are designed to withstand sub-zero temperatures and are treated with antibacterial and antifungal additives to ensure the highest quality