Feature:1. The environmental protection PVC plastic ruler can pass the European and American ROHS and 6P environmental protection tests.2. Does not contain any harmful chemical ingredients, nontoxic and tasteless.3. High temperature resistance, corrosion resistance, acid and alkali resistance, very durable.4. It can be used to measure chest, waist , and leg circumference, as well as the head circumference and height of baby.5. The tape retracts automatically, so it is easy to use, and convenient to take.Specification:Condition: 100% Brand NewItem Type: Body Measuring ToolsSuitable for: Measuring head, waist, hip, leg, and arm circumference.BMI Indicators:BMI mainly reflects body overweight and obesity.BMI is in the normal range from 18.5 to 24.9, BMI greater than 25 is overweight, and BMI greater than 30 is obese.When using the BMI ruler, you only need to correspond your height and weight values according to the instructions in the compass library. The value pointed is your index value.Measure Tape:Material: Plastic Cover, PVC TapeTape Size: Approx.150cm x 7mm / 59 x 0.3inCover Size: Approx. 6 x 5.5cm / 2.4 x 2.2inColor: Silver Cover, Four-Color Tape, Black ScalesTape Scale Type: Dual-Sided centimeter scale, one side for men, another side for women.Fat Caliper:Material: ABS PlasticSize: Approx. 16.8 x 10 x 0.6cm / 6.6 x 3.9 x 0.2inColor: Black Tape, White PrintScale: One-Sided Millimeter Scale (70mm)Waist Measuring Ruler:Material: Plastic Cover, PVC TapeTape Size: Approx. 150cm x 13.5mm / 60 x 0.5inCover Size: Approx. 9 x 6 x 2cm / 3.5 x 2.4 x 0.8inColor: Black Cover, Black Tape, White ScaleScale Type: One-Sided Scale with Centimeter & Inch .Package List:1 x Fat Caliper1 x Measure Tape1 x Waist Measuring Ruler1 x Fat Caliper InstructionNote:The standard on the ruler is for reference only, and the specific judgment shall be based on the standard established by the corresponding country.It is normal for the waist ruler to read other than "1", because when measuring the waist, the arc of the cover is also part of the waist.