Matisse Dry Mediums offer artists endless textural possibilities, whether you’re looking to experiment or achieve a specific goal. Designed to be mixed with traditional mediums and acrylic or oil colors, this unique collection includes both natural and man-made materials— all carefully cleaned and free from impurities that could compromise artwork. - Matisse Acrylic Mediums - Dry Mediums, Coarse Effects, Set of 6, 40 mlMatisse Mediums, DRY COARSE ST 6X40ML - Includes six 40 ml jars of Calcined Bauxite, Lang Lang Gravel, Lang Lang Sand, Pumice, Glass Beads, and Wollastonite.