Concrete square tray features: this concrete tray has a nice solid feel to it and is perfect for collecting bits and bobs, keeping your kitchen bench looking nice and tidy or a jewellery tray. The tray is made of a mix of concrete, stone powder and polystone. Giving it that nice concrete feel. While being a lot stronger than normal concrete. It measures 33.5 cm long, 12.5 cm wide and 3 cm thick.