1Made of ABS material, which is harmless to your skin 2Skinfold thickness scale is designed for readable and correct measurement 3Caliper can be used for measuring 0-80mm ranges of body fat easily and accurately 4Flexible spring design, so that the caliper can be expended or conacted for a better measurement 5Doctors, personal ainers, and nuitionists recommend the periodic measurement of body fat for maintaining health status Description: Doctors, personal ainers, and nuitionists recommend the periodic measurement of body fat for maintaining health status. ABS material is harmless to your skin, very safe to use. Skin fold thickness scale is designed for readable and correct measurement. If you want to lose weight, this is definitely a best product for you. Features: 1. Made of ABS material, which is harmless to your skin. 2. Caliper can be used for measuring 0-80mm ranges of body fat easily and accurately. 3. Flexible spring design, so that the caliper can be expended or conacted for a better measurement. 4. Stable holder and igger can give you a comfortable touch when using. 5. Skin fold thickness scale is designed for readable and correct measurement. 6. Helping monitor your fat condition to keep healthy. 7. Doctors, personal ainers, and nuitionists recommend the periodic measurement of body fat for maintaining health status. Specification: Material: ABS Color: White, Black(Optional) Size: Approx. 27.5 * 25 * 4cm / 10.8 * 9.8 * 1.6inch Weight: 170g Measurement Range: 0 - 80mm / 0 - 3.15inch Type: Body Fat Testers Package Include: 1 x Body Fat Caliper 1 x Manual