Standard Metric Ribbed Black Pond Hose 3/4 Inch (20mm), 98 Foot Roll (30m), Coil Roll 3/4 Inch (20mm) Diameter Pond Hose Length of Roll is 98 Feet (30m) Use with Twin Wire Hose Clamps Coil roll UV stabilized and will not kink Water Garden, Koi Fish Pond, and Aquatic Plant Safe