This rubber mat is a popular choice for the bottom of the box. It is made of heavy duty rubber with a non-slip surface and cut in the following sizes.
Standard box:
For the whole bottom (870 x 610 mm)
For the bottom when 1 bench is installed (650 x 610 mm)
For the bottom when 2 benches are installed (410 x 610 mm)
+30 box:
For the whole bottom (1175 x 610 mm)
For the bottom when 1 bench is installed (940 x 610 mm)