Aligner Removal Tool: it& 39;s designed according to the structure of most people and human teeth on the market; this removal tool helps you disassemble aligners comfortably and easily, no worrying about your teeth getting hurt or your mouth getting bacteria.^Safety Material: food grade plastic material, this ingredient does not damage your teeth; solid and durable for long time use.^Easy to use, aligner hooks& 39; smooth surface will not damage the gums; it can be immersed in 100 degree water for disinfection, or you can wipe it with alcohol for disinfection; The grip ring is for any finger and the outer casing has a non-slip pattern.^Compact Size: 7.8X2.6CM, lightweight and portable, great for travel, work, school and outdoor activities.^Package included: 4 pack aligner removal tools.