One (1) Pearl Pen containing 25ml in Violet colour. One 25ml Pearl Pen can pro¡duce up to 750 1/4" (6.5mm) diam¡e¡ter pearl drops. Make a variety of different sized pearls with this Pearl Pen by Viva-Decor. This three-dimensional gel pen contains a specially formulated liquid to create perfectly round pearls using it"s precision applicator tip. Pearl Pens can be applied on almost all surfaces and are great for on paper crafts, fabric and home decor. Water-Based Non-Toxic Machine Washable Water Resistant