You will receive 4 parasol rings. These are suitable for stabilizing your patio parasols. They effectively reduce the swaying of your parasol in the wind and prevent scratches and dents on the parasol pole caused by friction with the patio table. The package includes a flexible plastic ring and a sturdy plastic cap. The parasol ring is made of high-quality PVC, a flexible plastic ring, and a sturdy plastic cap that is not easily broken. The plastic parasol rings are temperature-resistant and fade-resistant, perfect for long-term outdoor use. The parasol ring is suitable for parasol poles with a diameter of 4.2 cm or less, and a standard size with a ring diameter of 5 cm fits most parasol holes. Suitable for tempered glass and tabletops with a thickness of 5 - 6 mm. Please check the size of the table hole and parasol pole before purchasing. These parasol rings help stabilize your patio parasols, prevent scratches and dents on the parasol pole due to friction, prevent it from tilting or shaking in the wind, and ensure your patio parasol remains upright. The set of parasol rings and caps is suitable for outdoor use. Enjoy afternoon tea with family at a garden table in summer; chat with friends on the beach under a parasol. This way, you perfectly avoid the summer sun and possible rain.