British standard trays (internal measurements 344 x 214 x 52 mm)
10 x standard size seed trays with drainage holes made from .54mm thick

recycled plastic. 

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10 x standard size insert , depth 52mm. Single use item. Choose from: 

- 24 compartment, pre-perforated to be already divisible into 6 strips of 4.

- 40 compartment, pre-perforated to be already divisible into 4 strips of 10.

- 50 compartment, pre-perforated to be already divisible into 5 strips of 10.