Propagator, Seed Trays, Seed trays with lids, Propagator Growing Thicken Seedling Starter, Growing Trays with Clear Lids(6 Pack) Propagator Kit: Seed Trays compare with other 0.5mm plastic material, our seed trays use 0.8mm PVC material for reusable, durable and not easily broken. Seed Trays: 12 independent holes have drainage holes in the roots to regulate inner seedling trays temperature and humidity, prevent the roots from absorbing excessive water. Seed trays with lids: Adjustable Plant Growth Tray Cover and Humidity Dome. Can be turned on and off at any time and adjust the inner humidity from 50%-100% to meet your needs. Keep the seedlings moist, reduce evaporation. Seedling trayHigh quality clear plastic trays of this seed grow kit make it easy to observe your plants. It is convenient to centrally manage plant growth and observe each palnts growth process, saving you time and effort. Propagator: Each cell measures 3.7x3.7x5.5cm, suitable for Small Seeds, such as Flowers, Vegetables, Fruits, Strawberries, Grow Meat and other plants. Suitable for family, farm, courtyard, balcony, etc.