Or use one side for wet foods; one side for dry
Will stand the test of time, as long as you polish the edges regularly

Rectangular, thin

Sizes                                                Price

21 x 30 x 2.5 cm / 8 x 12 x 1 in.          $37
22 x 33 x 2.5 cm / 9 x 13 x 1 in.          $45
25 x 35 x 2.5 cm / 10 x 14 x 1 in.        $55

Rectangular, thick

Sizes                                                 Price

21 x 30 x 5 cm / 8 x 12 x 2 in.            $110
22 x 33 x 5 cm / 9 x 13 x 2 in.            $130
25 x 35 x 5 cm / 10 x 14 x 2 in.          $170