Support your CorLiving patio umbrella with this umbrella base. Constructed of durable plastic and made to withstand the elements of the outdoors. Designed and recommended to fill with 22L of water or sand to add the additional weight needed to create a sturdy supportive base for your market umbrella, thread umbrella through a patio table with a hole, and into the base for full support. Don't forget to check your delivery type and print off your  Delivery Checklist   &  Delivery Guide   Features: Heavy-Duty Manufacturer Warranty: 1 Year Shape: Square Weight (lb.): 0.5 Lb Assembly: Assembled Base Material: 100% Plastic Care: Spot Clean, Wipe Clean Country of Origin: Imported Visit our Furniture & Mattress Customer Care Center for delivery options, protection plans and other services. Problem with an order or need help with a return? Our Furniture & Mattress Customer Service agents will be happy to help. Give us a call at 1-800-442-7902 Don’t forget to print off your delivery checklist to avoid any delays or issues when delivering your item.