Oasis® Horticubes® Growing Media is a low density, high drainage foam with characteristics specifically developed for hydroponics seed germination and vegetative propagation of vegetables, herbs, flowers and foliage crops. These characteristics allow for an optimal balance of oxygen and water, even when saturated with water. Horticubes® are sold in sheets that fit into industry standard 10 x 20 Trays. These retail packs have 2 sheets of Horticubes® in one box.