Improved stability and safety Stabilizer adapter reduces umbrella tipping in windy conditions, giving a more secure, reliable setup at the pool or on your deck. Prevents unwanted movement so umbrellas stay upright during gatherings and outdoor use. Clear compatibility and fit Designed to fit pole diameters of 12.7 cm and 3.4 cm for a snug, stable connection. Ensures consistent support across the specified pole sizes without wobble. Durable materials built for outdoor use Molded from robust PC and ABS plastics to resist sun, water, and general outdoor wear. Durable construction maintains performance over time in typical weather exposure. Where it works Suitable for installation on concrete, wood, or composite decks. Integrates seamlessly into poolside, patio, and deck environments. Practical benefits Reduces the need for constant repositioning or monitoring of the umbrella. Adds a layer of safety around pools and seating areas by minimizing accidental tipping. Use scenarios Poolside shade: Keep a market or patio umbrella steady next to the pool during family time or pool parties. Backyard deck: Secure an umbrella on a wooden or composite deck for barbeques, outdoor dining, or relaxed seating. Patio and concrete areas: Stabilize umbrellas on concrete patios or paved pool surrounds to prevent movement on windy days. Product details Compatible pole diameters: 12.7 cm and 3.4 cm Materials: PC and ABS Recommended surfaces: concrete, wood, composite decks