We’ve made everything you need to start your Tree Life Boxes available in one kit: a 10.5 x 7.5 x 2.25" Life Box Mailer, a set of ten biodegradable Bio-Pots™ and a sturdy 10 x 20 x 3" germination tray made from untreated, reclaimed cedar. Add some soil to the mix and you’re ready to start helping the planet!