4 x 3.75″ Lid (19.75″ x 6.75 x .5″) of the World Famous Plantation Temptation from Zen Products. Use the 4 x 3.75″ Lid to grow 4 plants to a significant size. The 4 site lid is great for window sill lettuce, herbs or greens! Build your own, buy replacement parts. This little unit is built to last out of food safe plastic.