Polyester resin closures for containers

A polyester resin closure that mounts onto a finish of a container, the polyester resin closure comprising:

• (a) an outer layer that comprises:
• (i) an outer layer annular wall;
• (ii) an outer layer outer cylindrical wall that extends downwardly from the outer layer annular wall, wherein the outer layer outer cylindrical wall comprises a plurality of knurls;
• (iii) an outer layer inner depression wall that extends downwardly from the outer layer annular wall;
• and
• (iv) an outer layer lower wall that extends across a bottom of the outer layer inner depression wall;
• (b) an inner layer that comprises:
• (i) an inner layer annular wall;
• (ii) an inner layer outer cylindrical wall that extends downwardly from the inner layer annular wall, wherein an inner surface of the inner layer outer cylindrical wall comprises internal threads configured to engage with the finish;
• (iii) an inner layer inner depression wall that extends downwardly from the inner layer annular wall;
• and
• (iv) an inner layer lower wall that extends across a bottom of the inner layer inner depression wall;
• (c) a tamper evidence feature that engages with a tamper evidence ledge of the finish.