Blue Butterfly mug coaster Blue Butterfly and Tree of Life mug coaster £4.29 Add a matching mug?: [Choose]Matching mug (+£10.20)No Thank You Quantity: at £4.29 each Add To Basket 4 in stock. 0 in your basket View Basket Checkout Blue Butterfly and Tree of Life design mug coaster and drinks mat. Coasters measure 9cm square and are 4mm thick. Made from MDF with a cork back. Handprinted to order using the sublimation technique in my studio. Add a matching mug for just an extra £10.20. Use the dropdown box to select. FREE UK postage.