This product is made of high-quality material and is 100% brand new. It is designed to put no burden on your pet and will not rust. It is also perfect for making your pet dog more attractive and can also be given as a gift or used as a walking accessory for your pet dog. The necklace is sized at 36cm with a 7cm extension and comes with 1 included package. Please note that there may be slight color variations due to lighting and screen differences, and please allow for 1-3cm differences in size due to manual measurement.