Our unique Horse Planters are sure to bring a smile whether you enjoy them indoors or out! They  are constructed of steel with a powder painted coating. Heads and tails bob on springs, and they come without  drainage whole for use indoors, or use a hammer & nail or drill  for your drainage whole for outdoors. No tools needed for assembly. Large planters measures 21" High and fits a 6" pot. Small planters are 13" high and fit 4" planters.