Work fluidly when creating acrylic art with Grumbacher Acrylic Pads. The wire-boud pads feature In & Out Pages, which allows you to tear off pages to work outside of the book and then re-insert them for safekeeping. The acid-free, heavyweight paper has a bright white, textured surface that’s optimally sized for acrylic paints, inks, and markers. Each pad comes with 24 sheets of 140 lb (300 gsm) paper. These Acrylic Paper pads contain 24 sheets of 140 lb. (300gsm) white heavy-weight paper with embossed texture Optimally sized surface for all acrylic paints, markers and inks Paper feels absorbent and holds water well and it doesn't buckle easily