100% brand new and high quality.Disposable products, safe and hygienic, to prevent pollution. The end of the round hole is easy to take, and the curved concave design is suitable for different gaps between teeth. 4 different sizes, 4 colors to meet your different needs. For fillings, we offer dentists a safer way to insert between teeth. Humanized design, each size has a transparent box, which is convenient and clean to use.