CLEARSNAP Colorbox Pigment Petal Point Option Pad, Metalextra Brocade, 8 Colors Per Pad Option pads feature removable color pads within each pad for expanded versatility Colorbox pigment pads are water based and formulated to stamp on absorbent papers Slow drying inks are rich, thick, fade resistant, non-bleeding, acid free and archival ASTM D4236 approved; Non-toxic