4 litre lipped pen tray
Dimensions
External: 372 x 243 x 33 (length x width x depth in mm)
The trays are designed to fit into the 4, 7, 9 and 22 litre Really Useful
Boxes as follows:
 One lipped tray sits on the rim of a 4 litre Really Useful Box, leaving
storage space beneath the tray or room for one of the 4 litre unlipped hobby
trays.
 One lipped tray sits on the rim of a 7 litre Really Useful Box, leaving
storage space beneath and to the side of the tray. There is room for two 0.3
litre Really Useful Boxes to sit beside the tray if desired.
 One lipped tray sits on the rim of a 9 litre Really Useful Box, leaving
storage space beneath the tray or room for up to three of the 4 litre
unlipped hobby trays.
 Two lipped tray sits on the rim of a 22 litre Really Useful Box, leaving
storage space beneath the tray or room for up to six of the 4 litre unlipped
hobby trays 
4 litre office divider tray
Dimensions
External: 342 x 215 x 35 (length x width x depth in mm)
Weight: 180g
The trays are designed to fit into the 4, 9 and 22 litre Really Useful
Boxes as follows:
 Each 4 litre Really Useful Box will fit 2 trays
 Each 9 litre Really Useful Box will fit 4 trays
 Each 22 litre Really Useful Box will fit 8 trays

4 litre lipped office divider tray
Dimensions
External: 372 x 243 x 33 (length x width x depth in mm)
The trays are designed to accommodate 12 inch rulers, as well as normal
pens and postit notes, etc.
Weight 210g
The trays are designed to fit into the 4, 7, 9 and 22 litre Really Useful
Boxes as follows:
 One lipped tray sits on the rim of a 4 litre Really Useful Box, leaving
storage space beneath the tray or room for one of the 4 litre unlipped hobby
trays.
 One lipped tray sits on the rim of a 7 litre Really Useful Box, leaving
storage space beneath and to the side of the tray. There is room for two 0.3
litre Really Useful Boxes to sit beside the tray if desired.
 One lipped tray sits on the rim of a 9 litre Really Useful Box, leaving
storage space beneath the tray or room for up to three of the 4 litre
unlipped hobby trays.
 Two lipped tray sits on the rim of a 22 litre Really Useful Box, leaving
storage space beneath the tray or room for up to six of the 4 litre unlipped
hobby trays

7 litre divider tray
Weight 308g

Large hobby divider tray
Dimensions
External: 375 x 310 x 45
(length x width x depth in mm)
Compartments
Each tray has 5 compartments (see photos)
When lying flat, the trays are appropriate for the 18, 20, 35, 50, 64 and
84 litre Really Useful Boxes (including folding models). 
Large divider tray 16
Dimensions
External: 375 x 310 x 90
Internal (each compartment): 85 x 68 x 87
(length x width x depth in mm)
Weight
780g
Compartments
Each tray has 16 compartments
When lying flat, the trays are appropriate for the 18, 20, 35, 50, 64 and
84 litre Really Useful Boxes (including folding models), and fit as follows:
18 litre Really Useful Boxes can hold 1 tray
20 litre Really Useful Boxes can hold 2 trays
35 litre Really Useful Boxes can hold 3 trays
50 litre Really Useful Boxes can hold 4 trays
64 litre Really Useful Boxes can hold 6 trays
84 litre Really Useful Boxes can hold 8 trays

Large divider tray 6
Dimensions
External: 375 x 310 x 90
Internal (each compartment): 150 x 115 x 87
(length x width x depth in mm)
Weight
780g
Compartments
Each tray has 6 compartments
When lying flat, the trays are appropriate for the 18, 20, 35, 50, 64 and
84 litre Really Useful Boxes (including folding models), and fit as follows:
18 litre Really Useful Boxes can hold 1 tray
20 litre Really Useful Boxes can hold 2 trays
35 litre Really Useful Boxes can hold 3 trays
50 litre Really Useful Boxes can hold 4 trays
64 litre Really Useful Boxes can hold 6 trays
84 litre Really Useful Boxes can hold 8 trays
