Product packaging with heat sealable barrier material

A package comprising:

• a first packaging component comprising a product-contacting sealant layer comprising a first ethylene vinyl alcohol copolymer and an aluminum foil layer;
• and
• a second packaging component comprising a product-contacting sealant layer comprising a second ethylene vinyl alcohol copolymer and a barrier layer comprising ethylene vinyl acetate (EVA);
• wherein the first ethylene vinyl alcohol copolymer has an ethylene content of 48 mol percent, wherein the second ethylene vinyl alcohol copolymer has an ethylene content of 38 mol percent, and wherein the first and second ethylene vinyl alcohol copolymers are heat sealed to each other, wherein the product-contacting sealant layer of the first packaging component is an interior surface layer, and wherein the product-contacting sealant layer of the second packaging component is an interior surface layer.