Coasters to platters: Completely food safe, so you can use them as individual serving plates for desserts and starters, or use underneath glasses and mugs to protect your table. Contemporary food serving boards: Naturally cool to the touch, the slate coasters are perfect for presenting starters, cheeses, entres or mini desserts. Ideal serving size: Designed for wine glasses and goblets, each coaster measures 10 cm (4") square. Also great for serving individual mini food portions. Gorgeous gift: Presented in Artes's smart gift box-style packaging, this luxurious 4 piece slate coaster set makes the perfect present. 5 year guarantee included. Artesa Coasters, Set of Four, 10cm, Gift Boxed in Dark Grey