Features: Premium ABS umbrellas hole plug ensures a secure, weather resistant fit 1.63in patio umbrellas rod, preventing wobbling. Quick install design requires no tool for insertion into outdoor umbrellas bases, feature a style. Perfect for backyard enthusiasts and commercial space needing reliable protections for patio furniture mounting holes. Maintains clean umbrellas hole in garden, lounges, or patios by blocking dust and rainwater accumulation. Engineered with ABS to withstands harsh outdoor conditions. Specifications: Component: ABS Color: Black Package Includes: 1pc Umbrellas Hole Rings Plug Caps note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.