16 mm clear polycarbonate lid., 16 mm opaque polycarbonate lid., 16 mm grey (non-light transmitting) polycarbonate lid., 10 mm clear polycarbonate with 6 mm solid external sheet lid., 10 mm opaque polycarbonate with 6 mm solid external sheet lid., 20 mm double-skin insulated aluminium infill panel lid., 32 mm clear polycarbonate lid., 32 mm opaque polycarbonate lid.
16 mm clear polycarbonate lid., 16 mm opaque polycarbonate lid., 16 mm grey (non-light transmitting) polycarbonate lid., 10 mm clear polycarbonate with 6 mm solid external sheet lid., 10 mm opaque polycarbonate with 6 mm solid external sheet lid., 20 mm double-skin insulated aluminium infill panel lid., 32 mm clear polycarbonate lid., 32 mm opaque polycarbonate lid.