Are you looking for a patio offset umbrella base that's both portable and stable? Our 4-piece set features stackable square plates with built-in handles for easy transport and space-saving storage. Made from premium HDPE material, it's wear-resistant, fade-resistant, and perfect for long-term outdoor use. The refillable base holds up to 135 lbs of water, 185 lbs of sand, or 220 lbs of a water-sand mix, ensuring maximum stability. Quick assembly with 4 metal hooks locks the plates securely, creating a sturdy foundation. Compatible with 9-10 ft cantilever umbrellas, this weighted patio umbrella is ideal for backyards, poolside, seaside, and commercial spaces. Color: Black. Material: Plastic.