3 x Large Polystyrene Boards (originally used as Film/ Photography Reflectors)
All three are 43mm thick.
One side of each board is white, the other matte black.
Dimensions:
55cm x 73cm (this one is a irregular in shape rather than a true oblong)
121cm x 129cm
121cm x 243cm
Pick up from L23.
Happy to split them if you only want one or two.
Martini77@rocketmail.com