．Coaster abstract from the historic Storm and Foul manhole cover
．Water absorbing and Quick-drying
．Handmade in Diatomite Concrete
．Abstract from the historic Storm and Foul manhole cover in Hong Kong which contains high cultural value.
．We keep most of the characteristics, symbol and sign form the original manhole cover, turn it into an exquisite and delicate coaster.
．Handcrafted by diatomite concrete, water absorbing and quick-drying.