Square water bag base, counterweight beach flag, sun umbrella, moxibustion stand, four-corner umbrella billboard, Amazon cross-border
Stable & Windproof: Square Water Bag Base for Sun Umbrellas
Are you tired of your sun umbrella tipping over in the wind? Our Square Water Bag Base provides the perfect solution for beach, patio, or garden umbrellas!

Why Choose Our Square Water Bag Base?
- Heavy-Duty Stability: 40x40cm PVC base filled with water or sand for superior weight
- Universal Compatibility: Fits most center pole umbrellas, beach flags, and shade sails
- Durable Material: Made from thick PVC that resists tearing and UV damage
- Easy to Use: Simply fill with water (or sand) when needed, empty for storage
- Portable Design: Lightweight when empty, easy to transport to beaches or events
Perfect for Multiple Applications
Whether you need stability for your:
- Beach umbrella
- Patio sunshade
- Market stall canopy
- Garden party decorations
- Promotional flags
This weighted base keeps your shade secure even in breezy conditions.
How It Works
- Place the empty base where you need stability
- Fill with water through the large opening (holds approximately 15-20kg when full)
- Insert your umbrella pole through the center hole
- Enjoy wind-resistant shade all day!
Order Yours Today!
Available now for wholesale purchase on eBay and other platforms. Popular in South American markets and perfect for resellers!
Note: Umbrella not included - this listing is for the weighted base only.