The Trigon Sports LD Sport Cover Set Green Poly - Set of 5 is a great way to protect your baseball field from the elements. Made of 16-ounce woven poly, this light-duty, waterproof set comes with ground stakes and grommets, which are spaced 3 to 4 feet apart around the perimeter. Set includes one 312-inch circular, one 240-inch circular, and three 120 x 120-inch square covers. About Trigon Sports Located in Memphis, TN, Trigon Sports is family owned and specializes in the direct importation and distribution of team sports equipment. Providing the essentials for every level of play from Little League to the Big Leagues, Trigon Sports is well known for their exclusive line of ProCage™ branded sports equipment, which features the industry's best protective screens and batting tunnel nets. Trigon has expanded the focus of its product line from baseball/softball to include all major team sports, including basketball, soccer, volleyball, tennis, track & field, and speed & agility training.