Sealable, transparent, biaxially oriented multilayer polyprolylene film

A sealable, biaxially oriented, transparent, coextruded multilayer film which comprises a core layer and a sealable top layer, and an intermediate layer between the core layer and the sealable top layer wherein

• (a) the core layer comprises a propylene polymer, and
• (b) the top layer comprises
• a copolymer of
• ethylene and propylene,
• ethylene and butylene,
• propylene and butylene,
• ethylene and an .alpha.-olefin having 5 to 10 carbon atoms, or
• propylene and an .alpha.-olefin having 5 to 10 carbon atoms, or
• a terpolymer of
• ethylene and propylene and butylene, or
• ethylene and propylene and an .alpha.-olefin having 5 to 10 carbon atoms, or
• a mixture of one or more of the above copolymers and terpolymers with polypropylene, or
• a mixture of two or more of said copolymers, said terpolymers, or both of said copolymers and said terpolymers,
• wherein the layer thickness of the sealable top layer is less than or equal to 0.4 .mu.m, and wherein the top layer does not comprise either polydimethylsiloxane or silicon dioxide, and
• wherein the intermediate layer consists essentially of a propylene polymer and the layer thickness of the intermediate layer is 2 to 12 .mu.m.