Flexible tapered shaft punctum plug with contouring traction ribs. Form should always follow function. That is why EagleVision created the FlexPlug, the first tapered shaft™ punctum plug with contouring traction ribs. Designed to provide the ultimate in flexibility, fixation, and patient comfort. Supplied: 2 individually packaged sterile plugs, pre-loaded on a disposable inserter/dilator. This product has a 5 year shelf life.