Avoid the possibility of cross contamination during the air-drying process. In fact, the swab won't even touch the sides. Flip the cap up, push out the swab, then retract. It's that easy! And there is no need to wait for air drying because the ventilation is built in. Cap-Sure swabs are supplied sterile and individually packaged, with either a wooden shaft (6” long) or a plastic shaft (7” long). Packs of 50 swabs.