2) common sizes:

    a) 305 x 305mm (12" x 12"), 305 x 610mm (12" x 24") ,300 x 300mm,300 x 600mm

    b) 457 x 457mm (18" x 18") , 400 x 400mm

    c) 610 x 610mm (24" x 24"), 610x915mm (24" x 36") 600 x 600mm, 600 x 900mm

3) Thickness: 1cm, 1.2cm, 1.5cm, 2cm, 3cm

 this material also can use in producing slab,countertop,washing basin&sink and so on, if you interested in our product,Don't hesitate to connect us.