5 x standard size seed trays without drainage holes, made from 54mm thick recycled plastic.

5 x standard size inserts , depth 52mm, 40 compartment, uncut / unperforated.
50 x 9cm full plant pots, 5° taper, 87mm deep, volume 350cc. Fully recyclable
25 x  plant labels ( plastic or wooden ).

With a little careful handling, these can be used over and over again - wash  them after use & keep out of direct sunlight when storing them. All in all an excellent economy buy.