Description: The umbrella hole ring plug is suitable for most umbrellas such as beach umbrellas, market umbrellas and traditional patio umbrellas. The strong material allows the adapters can be used in wide circumstances such as beach, balcony, backyard and poolside. With the help of these umbrella pole accessories, umbrellas on the market can be well-stabilized to withstand high winds and storms. With these stabilizers, the umbrella pole will fit more closely to the base of the stand, avoiding potential accidents or damage to the umbrella. It is constructed of silica gel material. The diameter of nozzle sleeves is about 3.8cm and 4.2cm. It is suitable for gardens, bars, terraces, cafes, patios, beaches or other glass outdoor terrace tables. Item Name: Ring Plug Cover Material: Silica Gel Features: Simple Installation, Strong Stabilizer, Heavy Duty Size Details: Nozzle Sleeves Diameter: 3.8cm/1.5" (Approx.) Nozzle Sleeves Diameter: 4.2cm/1.65" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x 38mm Nozzle Sleeves 2 x 48mm Tube Sleeves 2 x Base Stabilizer 2 x Umbrella Hole Plugs