A pocket is formed at {TAIL ~ the end} of the bag opposite the insertion opening and can have a flap provided with an adhesive strip covered by {HEAD ~ a masking layer} 
A pocket is formed at { TAIL ~ the end } of the bag opposite the insertion opening and can have a flap provided with an adhesive strip covered by { HEAD ~ a masking layer }
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD