Derwent Artbar Spice (A40) Artbars are luxuriously smooth, water-soluble wax bars - which can be used either wet or dry. With a beautiful creamy consistency, their rich, deep opaque colours offer the artist so much more creative freedom. To read more about how to use the Artbar and further details about the range, click here for a helpful guide from Derwent. We offer value for money and accept any returned item for any reason. We aim to ship every order received before 02:00 NZT on the same day and most orders will be with you inside of 8 days, although some may take up to 14 working days. We offer large shipping refunds on multiple purchases. Just email us with your order number. Thank you.