It can help seedlings thrive in early growth stage, when they are large enough, they can be transplanted into their own pots.

 Plastic seed sowing trays are suitable for beets, endive, lettuce, leeks, onions, parsley, radicchio, and small-seeded herbs and flowers.

Advantage：

(1) PET Material, Non-toxic environmental protection, good breathability,improve seed germination rate and survival rate. 

(2)transplanting plants without causing root circulation or harm 

(3) With drainage holes at the bottom, to prevent the root from
being rot by too much water