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A test paper bag
The utility model provides a kind of test paper bag, including bag body, it contains positive paper face and back paper face;Sealing inner tongue is connected to the upper end of back paper face, and inner tongue crease line is formed;Sealing outer tongue is connected to the upper end of positive paper face, and outer tongue crease line is formed.Inner tongue crease line is located below outer tongue crease line, both are parallel and arranged in upper and lower interval, form safety buffer interval.The vertical width of sealing inner tongue is greater than the interval, ensure secondary sealing coverage.Sealing outer tongue is equipped with folding angle close to outer tongue crease line, for guiding tool accurate cutting outer tongue crease line.The utility model improves opening security, secondary sealing reliability and operation convenience.
Owner:陈文炜