Jiffy 12 Pellet Windowsill Greenhouse Seed Starter Kit is designed to help you start your seeds with ease and success. This kit features 12 peat pellets that are biodegradable and expand up to seven times their compressed size when moistened, providing ample space for strong root growth. The pellets can be transplanted directly into your garden or larger containers, minimizing transplant shock. The kit includes a watertight base tray and a clear humidity dome that locks in moisture and warmth, creating the i environment for seed germination. The reusable waterproof tray has 12 cells, making it for windowsill gardening and small spaces. Model Number: