The Anchor maintains the umbrella erect, preventing it from blowing with the wind. Simply screw the into sand, dirt or grass, place your umbrella in the base holder. Accomodates beach umbrellas using thumbscrew tightening. Installs without tools, and also work great at grass. Fits umbrellas with diameter of up to 32mm. Small and lightweight. Made from sturdy strong durable plastic. colour:Black & red material:plastic size:Floor insert 32mm, pipe diameter umbrella fork base 37cm Package Contents: 1 * Beach umbrella stand Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!