Miniature Self Watering Planter System - 18 Sets Miniature Self Watering Plant System Perfect for apartments, offices, class projects, or around the home Contains everything you need. Just add soil and seeds/plants Each plant pot is 2" Diameter and the reservoir is 2.5" wide and 2.25" tall. Contains 18 sets - only available in Terra Cotta color pots (we also offer a 25 ct set)