Keep an eye on your growth: High quality clear plastic trays of this seed grow kit easy to observe your plants without interrupting the process.Total control: Adjustable vents of this seed trays allow you to regulate the temperature and humidity of your seedling environment, so you have total control over the growing process.Grow health and efficient: With drain hole at bottom of each cell for proper drainage, reduce oversaturatingHUMIDITY CONTROL LID WITH AIR VENTS: Our nursery box is designed with adjustable circular vents, which is easy to maintain the humidity and warmth required for seedlings to The green-lined tray has a raised area at the bottom to keep the growing cell tray well drained and allow the bottom to be watered.KEEP SEEDS GROW HEALTHY: Seeds need a suitable space to increase their absorption of water and nutrients. There are drainage holes at the bottom of each cell for proper drainage to reduce root supersaturation and help improve the survival rate of seeds.Colour:green+white+blackMaterial:plasticSize:19x14.5x11.5cmPackage Contents:3 x 6-hole green seedling box3 x 6-hole black seedling box3 x 6-hole white seedling boxOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.