PACKAGE INCLUDED- 5-packs of 50 grid seedling tray[totally 250 grids]. Grid size 47MM square by 90MM deep, can hold 100CC of soil. Entire dimension 54x28x9CM / 20"x10"x3.5" fits standard 1020 tray. WIDE APPLICATION- Good for starting seeds or succulents and growing most small plants. Ideal for growing vegetables, fruits, flowers, trees, herbs such as roses, tomatoes, potatoes, etc. Suitable for farm, school, home, etc., Enjoy gardening with your kids MAIN FUNCTION- Provide independent growth space for each plant and prevent plant roots from tangling together. Breathable bottom drainage hole of each cell to prevent damage to plant roots caused by excessive water. EASY TO TRANSPLANT- Plug cells trays is superior to traditional soil cultivation. Transplanted seedlings have a high survival rate and quicker recovery. ECO-FRIENDLY & REUSABLE- Made of BPA-free modified PS , eco-friendly, durable and reusable. Newly produced product may got a bit peculiar smell. Material: modified PS Color: black Packing: 5Seedling Plug Tray