This Grommet Kit includes (1) Large Hookah Vase Grommet that work great on large hookahs, they are ideal for vases which have an opening of approximately 2 inches as well as (1) Hookah Bowl Grommet which is made of a white spongy rubber and is thicker than the clear plastic bowl grommets. This bowl grommet is ideal for bowls that have a wider mouth.