4Pcs Teething TubesSizeShark chewing Teether:In 2*2 inch.Dinosaur Teether:In 3*4.1 inchCar Teether:In 2.7*3.9 inchLong Teething Tube:In 3.9 inch.Easy to Carry:All the necklaces have a black nylon cord for easy portability you no need to worry about loosing them.Can be cleaned:You can use high-temperature disinfection or warm water to clean the chewing teether to maintain your babys health.If you find any quality or quantity issues of our products please feels free to contact our customer support team for the first time. We are always here to help!