The tray insert is available in S and M sizes. Makes it even easier to organise your items according to groups and to store them. The smaller size is suitable for the 5, 9, 13, 18 en 25L Sigma home boxes:
Fits transversely in the 9L, 13L, 18L and 25L Sigma home boxes
Fits full length into the 5L Sigma home boxes.
If this tray is used in combination with a lid, please note, the lid will be a little higher.