Eliminates: The need to use dangerous scalpel blades or knives associated with less effective bite kits.Effective Suction: 2 sizes of cups for use and effective suction on a variety of sting or bite sizes, pump is easy to use with 1 hand.Extractor: Most effectively retrieves from extremities & areas of body outside muscle areas, effectiveness varies with the location of the bite.Small Compact: Reusable vacuum pump helps remove below your skin in 1 quick motion, used for snake bites, bee/wasp stings, mosquito bites.Size: Suction Cup Size 1: (Dia.x H) 26 x 23mm/1.02 x 0.91inch; Suction Cup Size 2: (Dia.x H) 21 x 23mm/0.83 x 0.91inch; Storage Box Size: (LxWxH) 105 x 93 x 30mm/4.13 x 3.66 x 1.18inch; Extractor Pump Size: (LxWxDia.) 125x 58 x 26mm/4.92 x 2.28 x 1.02inch; Disposable Small Tourniquet Size: (LxW) 480 x 25mm/18.90 x 0.98inch Method For : Avoid smoking by mouth so as to avoid the wound in the mouth of the rescuer and cause or infection of the patient's wound.Do not use rubber, tourniquet or other substances to block the flow of arteriovenous blood, which can cause swelling and necrosis of the limbs.Don't cut the wound: it is often injected into the deep tissue and rapid absorption, so open the wound will not let out, cause infection or cutting the wrong way will make the wound healing and adverse.Do not use ice compress or , make blood vessel contracted or necrotic, local blood circulation is bad, make limb strut, necrotic more worsen.Do not drink stimulating substances like coffee, tea, so as not to promote blood circulation, but to make the absorption of faster.Note: First aider take a , calmly observe the patient, then decide and implement .Also ask the patient not to be panic, nervous which makes it easy to spread the to other parts of the body.Weight: 90gcolour: OrangeMaterial: PP+ABSPackage Contents: 1X Storage Box1X Extractor Pump2X Su Cup (2 sizes)1X Disposable Small Tourniquet (to slow/stop blood circulation )2X Antiseptic Pads2X Alcohol Prep Pads1X User ManualOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.