Raises the height of your pet s food bowl to accomodate dogs of all sizes Small extensions raise the height from 3 H to 4.5 H; designed for use with Small Neater Feeder (not included) Medium extensions raise the height from 5 H to 7.5 H; designed for use with Medium Neater Feeder (not included) Large extenesions raise the height from 8 H to 11 H; designed for use with Large Neater Feeder (not included) Made in USA