The universal flocking sampling swab is composed of nylon staple fiber head and medical-grade ABS plastic rod. The sampling head is 1 cm long, double breaking points, 6 cm away from the bottom, and the net length is 12 cm. The sample collection and release amount is up to 95%, which can be used for the collection and transportation of samples of body fluids, cells, microorganisms and viruses. Universal Flocking Swab A https://www.microbialtec.com/u....niversal-flocking-sw