byFormica Ant Products Fluon Plus PTFE Escape Prevention Coating for Climbing Insects, Ants (pack of 3) Includes two (2), felt-nib markers for even coverage of container side walls, and one (1) wand-style applicator bottle for corners and hard-to-reach areas. Three (3) bottles, total. Draw invisible lines on plastics, glass, and metals that most climbing insects can not cross Proprietary formulation goes on more smoothly, contains insects more effectively than competitor options Ready to use. No mixing, measuring, or pre-diluting before use. Felt nib applies more smoothly compared to traditional applicators Covers over 3 sq. meters (35 sq. ft) surface area. Product will last years if properly stored