My Favorite Things-Hybrid Ink Refill. An all-purpose craft ink. It blends the best of both pigment and dye inks into one ink pad with fine art colors that look like pigment, but dry like dye. This package contains one 0.25oz refill hybrid ink bottle that is waterproof on paper surfaces. Comes in a variety of colors. Each sold separately. Acid free. Non-fading. Conforms to ASTM D 4235 and EN71.