Stay Put Canvas Plus Drop Cloth with Slip Resistant and Leak Protection backing, 4-feet x 12-feet Canvas Imported Absorbent canvas, leak-resistant plastic, and a durable non-slip backing Absorbent canvas, leak-resistant plastic, and a durable non-slip backing Leak resistant to all paints and stains Backing will not leave residue 300% more slip resistant than regular canvas Great for stairwells