The hook type fastener generally has an integral film backing which film backing has a porosity of from 0.0001 to 0.005 cm3, a backing thickness of from {TAIL ~ 25 to 200 μm}, a stiffness of from 10 to 2000 Gurley units and a hook or {HEAD ~ projection} containing surface area of at least 10 cm2 
The hook type fastener generally has an integral film backing which film backing has a porosity of from 0.0001 to 0.005 cm3 , a backing thickness of from { TAIL ~ 25 to 200 μm } , a stiffness of from 10 to 2000 Gurley units and a hook or { HEAD ~ projection } containing surface area of at least 10 cm2
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH