Our gazebo weights are the perfect solution to keeping your gazebo sturdy in the windy conditions. The material is PE and the weights are filled with cement. The weights are easy to install and can fit most standard gazebo poles. The slot size on both is 3.2cm and will fit 2.5cm x 2.5cm square tube. Anchor Size = (W) 22cm (D) 22cm (H) 5.8cm Weight set is 12kg. 3kg per single weight Home Source Gazebo Anchor Weight Set of 4 Black Rounded PE Material Waterproof