This parasol base offers a sturdy and reliable foundation to ensure your umbrella remains stable and upright. Strong and stable base: This parasol base features a durable plastic shell filled with concrete, ensuring exceptional stability to keep your parasol securely in place and prevent it from tipping over, even in windy conditions.Easy to install: This umbrella base has a tightening knob for securing your umbrella to the base more firmly.Compatible with multiple pole sizes: This umbrella base comes with 2 pole adaptors, allowing it to fit umbrella poles with a diameter of 38 and 48 mm.Beautiful rattan pattern: Designed with rattan patterns, this parasol holder brings a touch of timeless elegance to your outdoor area.