DescriptionThis is a kind of flagpole retainer ring, made of metal and PVCmaterial. It is sturdy and heavy, no easy deformation, a long period to use. Retainer ring assemblies are used to secure the bottom of the flag to the flagpole in internal halyard flag systems.Features-Color:White -Material:PVC and metal -Size:23.00X23.00X2.50cm/9.04X9.04X0.98in - Made of metal and PVCmaterial. It is sturdy and heavy, no easy deformation. - It can be used to many ways. It can hold the pot and other plants in place. - Heavy beads design, keep flagpole so sturdy. Effectively prevents the flag from flying away. - Weighted design ensures your flag remains securely in place. Effortless installation on various flagpoles. - Retainer ring assemblies are used to secure the bottom of the flag to the flagpole in internal halyard flag systems.