and Introduction:Well,this syringe is a kind of ID that is used for pet,and inject into pet's body and in these way,their body will have a microchip inside which you can store your pet's information in the microchipand microchip will stay in your pet's body. Features:Easy to operate and useful.Convenient to know the information and it can keep it permanently,not afraid of losting.Long expiration date and safe,according to standard.Great for zoo.Excellent for those who breed several pets and hard to record their information clearly.Animal ID chip only, other accessories demo in the picture is not included Specification:Type: Animal ID chipInjection Molding Material: PolypropyleneColor: As pictures shownSize: app.12.4 x 4.6 cm or 4.88 x 1.81 in Chip: app.1.25 x 7 mm or 0.05 x 0.28 in Quantity: 6 bag or set Note:No retail package.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:6 Bag x Animal ID chip Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.