Ayieyill Tree Collar, Christmas Tree Collar Metal, Small Tree Collar, - Metal Tree Skirt- Water Base Protection from Pets - Silver The high-quality iron ensures you will have a beautiful & functional Christmas tree accent for years to come. Each panel is crafted by expert metal workers resulting in a gorgeous and unique tree collar. Large Tree Collar Fits Most Tree Stands The base size covers around 26 inches, and the top opening is 21 inches allowing it to fit most Christmas tree stands. Simple