4. How do I know material LF =Flatwidth?

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Quantity:
Calculating LF = Layflat = FlatWidth = Diameter in centimeter x3.1417 divide by 2
Example: 9mm=0.9cm x3.1417 /2 = 1.414cm=14.14mm Calculating diameter when circumference is known
Diameter = Circumference in centimeter divided by 3.1417
Example:185mm=18.5cm divided by 3.1417 = 58.89mm diameterCL =cut length is label's height, it will determine shrink sleeve is a full body, half body or only wrap neck band. Even by manual package, shrink Sleeve's height is for us to layout printed graphic dimension.