Personalised your coaster with any message! This item makes a great addition to any table, and is perfect for any glass or mug. With various fonts to choose from, you can customise this coaster for anyone - all that's missing is your personalised message.This coaster is made from natural agate rock which is a type of quartz. With a high polished finish, this is a glossy coaster which naturally formed rock colour rings. As these are natual coasters, sizes vary from approx. 70mm - 90mm, and coloring may differ slightly.Your coaster will arrive bubble wrapped and padded; we recommend wiping your coaster with a damp cloth before use, and as the engraving is permanent, you won't need to worry about washing your customised message off.