Unique bubble coasters in a variety of different colours. Dimensions: H 9cm x W 9cm x D 2cm Material & Care: Jesmonite Each item is sealed to protect from water & heat damage. Wipe clean with a damp cloth. Avoid abrasive cleaners. We advise wiping any spillages as soon as possible. Indoor use only. Not dishwasher safe. Handle with care to avoid damage. Each piece is handcrafted in the studio, therefore every item is completely unique and so colours may vary from the photos. Small air bubble may occur due to the nature of the material.