Made from stunning onyx stone, each of our bowls is uniquely coloured and will make a perfect centrepiece. Handmade in Java, Indonesia. Dimensions 14W x 9H cm Onyx Care Onyx is an absorbent + porous material, it is important to take good care of your onyx homewares. Harsh chemicals will sink into the stone and cause it to change colour. for cleaning – use a soft cloth with soapy water, do not use abrasive cleaners, steel wool, lemon juice – make sure it dries thoroughly. for stain removal – use a non-abrasive cleaner such as dishwashing soap or a professional stone cleaner solution which can be purchased from the hardware store.