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Vapor-permeable outer film to provide an occlusive moist environment 4 x 4 inches
Vapor-permeable outer film to provide an occlusive moist environment 2 x 4 inches
Vapor-permeable outer film to provide an occlusive moist environment 3 x 3 inches
Vapor-permeable outer film provides an occlusive moist environment 1½ x 1¾ inches
Seek and you shall find...