The peel seal can structure comprises a sealing layer and optionally at least one further layer. The peel seal can structure comprises a surface formed from any possible sealing temperature in the sealing temperature range to be peeled off the substrate and the sealing contact with the sealing member peeling possible. In addition, separation can seal structure comprises at least an additive dispersed in a portion of the thermoplastic polymer and the thermoplastic polymer, the peel seal structure can define a sealing surface.