One box includes 10 sizes, total around 360pieces. All of our tips are carefully molded from our patented soft gel formula to provide the most comfortable and lightweight nail enhancements on the market. Just as easy to use as it is easy to wear, our tips are applied with our EM’PRESSInfinityGel and can provide 4+ weeks of beautiful, strong nail extensions. Made of soft gel, our tips can be quickly soaked off with acetone, reducing the dangers of overfiling or harmful chemicals. *Keep out of reach of children