materials: The umbrellas hole Edges is Produced of soft silicone, which is easy to assemble, and the Hat is Produced of to seal the hole; these umbrellas hole Edges resistant to temperature and light Size information: suitable for glass or acrylic tables with 2-in holes; suitable for standard size of umbrellas poles Easy to use: not laborious to install the umbrellas hole Edges; because it is very flexible, you can easily fixing it in the hole, it is recommended to put in hot water before installation to make softer What you will get: You will get a patios table umbrellas eyelet Edges set, including 1 eyelet Edges & 1 Hat; these small objects save space and to store or carry Practical function: suitable for stabilizing patios umbrellas, reducing and scratches or umbrellas poles; suitable for outdoor dining tables in Courtyards Garden, Manufacturer: XIGACGEH