Rembrandt Pastels for the professional artist are a dry soft and powdery pastel made from top quality materials. Made in Holland. Boxed Set. Rembrandt Pastels for the professional artist are a dry soft and powdery pastel made from top quality materials. Made in Holland. Choose from 119 open stock colors. WARNING: This product contains a chemical known to the state of California to cause cancer. (Unbound Titanium Dioxide)