| CPC G01B 5/30 (2013.01) | 9 Claims | 

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               1. A template for determining a stretching ratio of a film sample of a film spanning a round bale, the template comprising: 
            a template body having a supporting side and an oppositely arranged working side; 
                the template body including an edge defining a perimeter of the template body; 
                two slots formed in the template body, wherein the two slots are arranged parallel to each other and separated by a first distance; 
                a contact marking arranged on the working side of the template body; and 
                a scale, which is arranged on the working side at a predetermined distance from the contact marking, wherein the scale is configured to indicate the stretching ratio of the film sample after the film sample has been removed from the round bale and allowed to relax for a relaxation period. 
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