Shell material: ABS material; Grinding head material: rubber binder plus silicon carbide; Tooth hook material: stainless steel 316 material Product size: 70X10MM Color: blue + white Product features: portable, with hanging chain, compact, easy to carry 1. Unique design, can effectively clean the hard-to-reach gaps between teeth and maintain oral health. 2. Easy to use, easy to carry, keep your breath fresh anytime, anywhere. 3. Made of high-quality materials, safe does not hurt teeth and gums. 4. A variety of specifications are available, suitable for different sizes of gaps between teeth, to meet the needs of different groups of people. 5. Economical and affordable, long-term use can save dental expenses, is a good helper for family oral care. Package includes: 1*Interdental Cleaner