blue stone window sills

can be different sizes and forms.

Normal size: width 20cm, 25cm, 30cm, length 100cm, 120cm, 140cm, 160cm, 180cm

thickness can be 2cm, 3cm, 4cm, 5cm, 6cm etc. popular thickness is 4cm, 5cm

honed surface process, can be tumbled, flamed, hammered etc

also can with water-drop line in the bottom.