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