Aligner Removal Tool: it"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" 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.