5 out of 5
Costway 43597268 18 Inch Fillable Heavy-Duty Round Umbrella Base Stand
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Product Description
• Refillable Reservoir: The umbrella base stand can be filled with 4 Gal water, 55 lbs sand, or 66 lbs sand and water, making it heavier for different weather conditions. Besides, when emptying it, the umbrella base only weighs 4.5 lbs for effortless movement.
• Rugged and Durable Material: The patio umbrella holder is crafted of high-strength HDPE material, which is characterized by weather resistance, sun protection, and water resistance, preventing cracking or fading in all weather.
• Fits Various Umbrella Sizes: The fillable umbrella base is equipped with a metal supporting pole and 2 plastic inserts, which can accommodate most market umbrellas and patio table umbrellas. It is suitable for most 9-10 ft patio umbrellas with 1.5"/1.9" pole diameters.
• Easy and Quick Installation: This weighted market umbrella base is easy to set up, and all you need to do is install the supporting pole, tighten the screw, fill it with water or sand and tighten the ring cap, then insert the umbrella pole and tighten the knob. And there exists an adjustable fixed knob for excellent stability.
• Easy Carrying and Wide Application: The weighted market umbrella base is equipped with a built-in handle on the bottom, therefore it is easy to carry anywhere you want, such as patio, poolside, beach, terrace, deck, lawn, garden, and other scenarios as well as a variety of commercial uses.
| Color | Black |
| Material | HDPE, Metal |
| Overall Dimensions | 18" x 12" (Dia. x H) |
| Fill Capacity of the Sand | 55 lbs |
| Fill Capacity of the Water | 4 Gal |
| Fill Capacity of the Water and Sand | 66 lbs |
| Suitable Umbrella Pole Diameter | 1.5"/1.9" |
| Suitable Umbrella Size | 9-10 ft |
| Net Weight | 4.5 lbs |
-Designed with a large reservoir that can be filled with sand or water to add stability
-Comes with a built-in handle on the bottom, only weighs 4.5 lbs, easy carrying
-Equipped with protective pads on the bottom, keeping the umbrella base stable
-Made of high-strength HDPE material, waterproof, aging-resistant, durable enough
-Equipped with 2 plastic inserts, suitable for most umbrella poles 1.5"/1.9"
-Equipped with a hand-turn tightening knob for securing the umbrella on the base
-Suitable for various residential and commercial uses: patio, garden, coffee shop, etc
NOTE: PO box deliveries are not available.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Shipping Restrictions
This product can't be shipped to Canada, Australia, United Kingdom, APO addresses or the following regions: HI, AK, PR.
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Our staff are available to answer any questions you may have about this item
Customer Reviews
By Jim
Date: December 06, 2025
Just what was needed
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By King D
Date: October 13, 2025
Did what I wanted it to
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By FreedominChrist
Date: October 13, 2025
The size and the quality are great. Works well for what we needed it for. Easy to set up to
Rating: 
[4 of 5 Stars!]
[4 of 5 Stars!]
By Heidi M.
Date: March 27, 2025
Very heavy and Beautiful!
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By TRichard
Date: March 03, 2025
Just what I was looking for - a solid umbrella foundation with an excellent pole base section and adjustment knob to eliminate any pole rotation, etc. Good overall weight without being too onerous to handle/move and no need to mess with water or sand fill procedures. Base material seems unaffected by rain or heat, but time will tell. Very reasonable price so you don't feel like you're locked in to a lifelong commitment. No reservations here.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Brent Bailey
Date: February 07, 2025
Works great. A few different fittings to make sure it works with your umbrella. Does exactly what you'd think it would do.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]