Attention: only the purple one can use when you sleep or bath, these products need to be applied for a long time to achieve results; It is recommended to wear it less than half an hour every day, not wear it too long, if you feel pain, please stop wearing them. Material detail: the nose slimming clip is made from soft silicone, and they are non-toxic and very safe to use and won't hurt your skin but lifting your nose beautifully. Size detail: the nose bridge slimming clips have small size which makes them easy to carry, the sizes are as shown in the image, suitable for most people's noses. Package content: you can get 4 different kind of nose slimming clip tool, try to use them and find the one that works best for you, only the purple one can use when you sleep or bath. Using occasions: the nose slimming clip is suitable to use at most of your spare time such as watching TV, reading book, cleaning the house and so on.