Stabilize your offset or cantilever umbrella with this durable fillable base. Constructed from weather-resistant HDPE plastic—won't crack, fade, or deform. Fill with sand, water, or both for up to 60 kg of anchoring weight. Features built-in wheels and easy-grip grooves for effortless repositioning. Simple assembly with included instructions. Fits umbrella poles up to 6.5 cm in diameter. Perfect for gardens, patios, pool sides, and windy outdoor areas.