One of the most commonly used methods to start seeds - fill holes with peat moss or seed starter mix and put 1-2 seeds per hole. 
 
Able to fit: small pots (dia. 55mm), peat pellet
 
Suitable for all kinds of plants.
 
Dimension: 55.5cm x 36.2cm x 5cm
Thickness: 0.85mm
Hole diameter: 5.8cm
 
Also available at Shopee.