Green Vista Deluxe Knitted Pond Net / Netting - 15x20 Feet Size for Koi Ponds and Water Gardens - Tangle Free and Reusable - 1/4x3/8 Inch Mesh Keeps Out Animals and Debris - Black 400% STRONGER THAN ECONOMY NETTING: Made of polypropylene, the 15 feet by 20 feet Green Vista Deluxe Knitted Pond Net / Netting is 400 percent heavier and stronger than "economy nets." This tangle free netting can be reused and works for ponds, water gardens, swimming pools and other waterscapes. It also is used as bird netting and shade cloth. GUARDS AGAINST LEAVES: The small, 1/4 inch by 3/8 inch mesh of this black netting keeps even the smallest fall leaves out of your pond or water feature. It also prevents other debris from getting into the water. Using it saves you the time of cleaning out your waterscape in fall. PREVENTS PREDATORS: Strong enough to act as animal control, this effective net can keep your koi and goldfish safe from cats, herons, other birds and even raccoons. Stretch the knitted netting over your water feature, and secure it with stones or pins. FEATURES HEAVY DUTY CONSTRUCTION, UV RESISTANCE: The 100 percent woven polypropylene of this netting gives it the strength that makes it reliable. Confidently use it to protect your pond, pool or different water feature. It resists ultraviolet light's damaging effects and can last 10 to 15 years for most applications. DOES NOT UNRAVEL WHEN CUT: This netting can be trimmed to size without falling apart. Simply use scissors to cut it to the desired dimensions.Please note: these deluxe quality nets are cut from a bulk roll by the manufacturer and therefore may have 1 or 2 cut edges. These cut edges will not unravel and do not compromise the quality of the net!