Welcome to our store! Environmental Protection Ruler: The PVC plastic ruler can pass the European and American ROHS and 6P (phthalate-free) environmental protection tests. Safe Materials: Contains no harmful chemical ingredients, is non-toxic and tasteless. Versatile Measurement: Can be used to measure bust, waist, leg circumference, as well as a baby's head circumference and height. Automatic Retraction: The tape can be retracted automatically, making it convenient for use and storage. High Temperature Resistance: This product is resistant to high temperatures, corrosion, acid, and alkali. Item Type: Body Fat Tester Scope of Application: Measurement of head circumference, waist circumference, hip circumference, leg circumference, arm circumference. BMI (Body Mass Index) is a health index for the body, closely related to total body fat, and primarily reflects body overweight and obesity. The global standard for obesity is: BMI within the normal range of 18.5 to 24.9, BMI greater than 25 is overweight, and BMI greater than 30 is obesity. The BMI Health Ruler can quickly calculate your body health index, saving the complicated mathematical calculation process. Simply match your height and weight values according to the instructions on the compass library, and the arrow tip will point to your health index value. The operation is simple and convenient, suitable for all ages! BMI Measuring Tape: Material: Plastic, PVC Measuring Tape Size: Approx. 150 cm x 7 mm/59.1 x 0.3 inches Scale Size: Approx. 6 x 5.5 cm/2.3 x 2.2 inches Color: Silver shell, four-color tape, black scale Measuring Tape Scale: cm on both sides, one side for women, the other side for men. Fat Clip: Material: ABS Size: Approx. 16.8 x 10 x 0.6 cm/6.6 x 3.9 x 0.2 inches Color: Black caliper, white print Measuring Tape Scale: One side mm + inches Waist Measuring Tape: Material: Plastic, PVC Measuring Tape Size: Approx. 150 cm x 13.5 mm/59 x 0.5 inches Scale Size: Approx. 9 x 6 x 2 cm/0.4 x 0.2 x 0.1 inches Color: White shell, white tape, black scale Measuring Tape Scale: cm on one side and inches on the other side. 1 x Fat Clip 1 x BMI Measuring Tape 1 x Waist Measuring Tape 1 x Fat Clip Instructions Your 100% satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!