Lap-sealable polyethylene films and sealed packages

A package comprising a lap-sealable film, the lap-sealable film comprising:

• an oriented film having a first outer layer formed from a polymeric blend comprising in a range of from 60% to 80% of a first high density polyethylene (HDPE), by weight, and in a range of from 20% to 40% of a polyethylene plastomer, by weight, the polyethylene plastomer having a density less than or equal to 0.92 g/cm3, the oriented film having at least one inner layer comprising one or more of a medium density polyethylene (MDPE) or a second HDPE,
• a sealing layer coated on one side of the oriented film by extrusion coating, the sealing layer comprising a polyethylene plastomer having a seal initiation temperature below 110° C.,
• at least one lap seal, and
• at least one fin seal,
• wherein the first outer layer of the oriented film and the sealing layer form a plurality of outer layers, the at least one lap seal is configured to bond the first outer layer and the sealing layer, the at least one fin seal is configured to bond the sealing layer to itself, and the lap-sealable film comprises a total composition comprising greater than or equal to 95% polyethylene.