ADJUSTABLE PIPE SLEEVES - Our Table Umbrella Tube Bracket comes with three PVC pipe sleeves of different sizes (1-1/4", 1-1/2", and 1-9/10"), providing the versatility to fit most umbrella poles. The adjustable pipe sleeves ensure that your umbrella remains stable and secure, even on windy days.STURDY MATERIALS - Constructed with stainless steel, our Umbrella Stand Base is corrosion-resistant and rust-resistant, ensuring long-lasting performance even in harsh weather conditions. The base has welded seams along the bottom edges, making it sturdy and resistant to bending or breaking. The Umbrella holder has a spacer on the bottom to help keep the thinner rods from tipping.