suitable for umbrella rods with an inner ring diameter of 1.63 inch or less, fit most standard size table holes of 2 inch, it can also be used as a desktop stringing box. Function: It can stabilize the parasol in the wind, effectively reduce the swing of the table umbrella caused by the wind, and prevent scratches and dents caused by the friction between the umbrella pole and the table; When not in use, cover the cap to restore the integrity of the desktop, and things not accidentally fall through the umbrella hole. Easy to Install: Simply put the ring plug into the patio table hole, cover the hole with the cap or insert the parasol umbrella, without complicated tools, allowing you to easily install, and it is also easy to remove for storage. Please take measurements before purchasing. Quality Material: Our parasol umbrella table hole cover insert is made of plastic, strong, not easy to break, high temperature, water resistance, suitable for outdoor use, long service life, perfect sealing table hole. Widely Used: Patio table umbrella plug is suitable for outdoor patio tables, gardens, yards, cafes, milk tea shops, etc., to provide protection for your umbrella poles, and the hole cap can decorate the desktop, allowing you to relax and enjoy the outdoor space. Color: Black Material: plastic Package Contents: 2 * Parasol eyelet plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.