VarnishPen - Assorted, 1.5 mL 45/Bx. Fluoride Varnish Application System, 5% Sodium Fluoride. The new way to apply fluoride varnish. Quick. Simple. Mess-Free. Packaged in a convenient, all-in-one system, the VarnishPen replaces sticky foil packets, varnish pools and brush sticks. Say goodbye to double-dipping with a mess-free applicator that sends varnish from brush-to-teeth with a quick twist and easy press. 45 applicators