10 x propagator lids, slightly domed, 50mm clear plastic. 

Keeps seeds and seedlings warm for faster germination.

Designed to sit on British Standard full-size seed trays (internal measurements 344 x 214 x 52 mm)

N.B all the trays we sell are manufactured by the same supplier who manufactures these lids

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.