● Made of weather-resistant PE for long-term outdoor use ● With the no-pinch design for easy and safe installation ● Male and female connection for secure stacking ● Can be filled with water or sand to increase weight ● Securely fits all canopy poles up to 1.25'' wide ● Firmly secure tents canopies and umbrellas in place ● Suitable for outdoor events such as trade shows picnics and parties ● With a strap for easy transportation and to prevent the weights from scattering