When your color is streaky and your blending is not quite right, reach for the Altenew Artist Marker Refill in Mango Smoothie! The package includes one 30 ml alcohol-based marker refill that can be used up to 10 times. It's easy to use, too! Just remove the brush nib with a pair of tweezers, position the tip of the refill bottle right above the open barrel of the marker and fill the marker with 8-10 drops. Reinsert the old nib or replace with a new nib and you're done!