【Heavy-Duty Material & Construction】- Constructed of heavy-duty steel frame, the patio umbrella base is rust-proof, wear-proof, and weather resistant to ensure enduring service life. The umbrella base can be filled with sand, soil or other heavy objects. Its overall weight can achieve 170lbs while being filled with 150lbs weights. 【Adjustable Knobs for Umbrella Poles】- As a universal patio umbrella base stand, the base pole holder is compatible with 1.5”/1.9” diameter umbrella holes to fit nearly all umbrellas of different sizes. The two hand-turn tightening knobs are designed to adjust the hole's sizes and secure the umbrella to the base. 【2-in-1 Umbrella Base】- Actually, the umbrella base is multifunctional for various outdoor occasions. On one hand, this umbrella stand can hold most market umbrellas sized 7.5-11ft without tipping over. On the other hand, the umbrella stand can be used as a decorative planter for your garden, patio, deck, or outdoor entryways. 【Flexible Bottom Wheels】- Equipped with 2 wheels of 5” in diameter at the bottom, this umbrella base can be easily moved to any place for convenience. The casters are made of premium PU material, achieving smooth, quiet, and non-marking gliding without scratching the floor. Besides, 19" x 18" base increases the contact area for added sturdiness. 【Practical Patio Umbrella】- Compared with the bulky concrete bases and unsightly sandbags, this black finish umbrella base provides a concise and stylish look, making your outdoor space more attractive. Perfect for umbrellas (not included) placing in the courtyard, garden, balcony, lawn, and so on. Description: Do you want a sturdy and durable base weight to hold your patio umbrella in place? Our steel umbrella base is a good choice, compatible with your patio umbrella to help secure the umbrella firmly. Constructed of heavy-duty steel, the patio umbrella base is highly durable. The base can be filled with sand, soil, or other heavy objects. Its overall weight can achieve 170lbs while being filled with 150lbs weights to maintain the stability of the umbrella. The hand-turn tightening knobs can adjust to fit for 1.5"/1.9" diameter umbrella holes. Equipped with 2 smooth wheels for easy movement. A good helper for you to enjoy a pleasant afternoon on the patio, courtyard, porch, garden, and poolside! Features: Enhanced steel structure, rust-proof for strong support 2 hand-turn Knobs to adjust the hole sizes and lock the umbrella Fit most umbrellas sized 7.5-11ft with poles in Dia.1.5"/1.9" Smooth PU casters for easy movement Filled with sand, soil with 150lbs capacity and its overall weight can achieve 170lbs Can be converted into a flower planter box Suitable for residential & commercial use in garden, backyard, patio Concise and stylish appearance to well match your garden decorations Specifications: Color: Dark Brown Material: Steel+PU Table Dimension: 19" x 18"x 16"/48 cm x 45 cm x 41 cm(L x W x H) Compatible Umbrella Pole Diameter: 1.5"/1.9" 4 cm/5 cm Net Weight: 20 lbs/9 kg Weight Capacity: 150lbs/68kg Overall Weight(While being filled with 150lbs weights): 170lbs/77kg Package included: 1 x Umbrella Stand 1 x Instruction