Removes poisons from snake bites, bee and wasp stings, mosquito bites & more. Lightweight, small and reusable vacuum pump draws venom from below your skin in 1 quick motion, meaning the pump is really easy to use with 1 hand. We've included 4 different sized plastic cups for use and effective suction on a variety of sting or bite sizes. Effectiveness of the Extractor varies with the location of the bite; the Extractor most effectively retrieves venom from extremities and areas of the body outside muscle areas.