Outsunny Square Cantilever Umbrella Base 4PCs 175lb Water Sand Filled for Patio Market Offset Umbrella Brown | Aosom.com

Ensure your umbrella remains stable with this set of four weights. Designed to reinforce heavier models, these pieces provide up to 175 lbs of support when filled with water or sand. Not in use? Handles and a stackable design ensure easy portability and storage. Constructed from thick, waterproof plastic, they are suitable for outdoor use.