Our solid umbrella weight plate provides a firm and sturdy base for holding your parasol and keeping it from tipping over or being blown away. Made of strong granite and with a weight of 55.1 lb, this base weight is extremely stable and ensures your parasol stand still in windy days. Please note it's only a 1/4 part of a full weight plate. We recommend you to buy 4 pieces to get a complete set. This product ships in approximately 1 days