This is the perfect size for beginners - it's not only a great tool for seed germination but also for plant cutting cutting germination. These are reusable and durable. They can withstand high temps for when you're germinating and they don't change shape. The clear plastic dome for the trays make it easy to watch your plants while they grow without interuption.  The actual tray contains drain holes at the bottom of each of the cells for proper drainage which will help to reduce over saturation. This kit comes with the following:

(1) Solid Seed Trays no Drain Holes

(1) Cell Inserts, Total 12 Cells (with holes)

(1) Clear Dome Lids for Humidity Control