Features1The environmental protection PVC plastic ruler can pass the European and American ROHS and 6P environmental protection tests. 2Does not contain any harmful chemical ingredients, non?toxic and tasteless. 3High temperature resistance, corrosion resistance, acid and alkali resistance, very durable. 4It can be used to measure chest, waist , and leg circumference, as well as the head circumference and height of baby. 5The tape retracts automatically, so it is easy to use, and convenient to take.SpecificationCondition: 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 List1 x Fat Caliper 1 x Measure Tape 1 x Waist Measuring Ruler 1 x Fat Caliper Instruction