Dewitt PN302030 Deluxe Pond Protection Net, 20 X 30 Foot Deluxe pond netting is constructed with 1/4 inches mesh knitted strands that are bonded together It is much stronger and more durable than the old 3/4-inches mesh net that this product replaces It is also UV-treated for long life in the sun Helps keep leaves, debris, predators and children out of ponds Measures 20 by 20 feet; pond netting is an environmentally safe polypropylene material