Returnable mail envelope
Reversible envelope
Reversible envelope
Rupture lines in flexible packages
Score line configuration for ice cream cartons and the like
Sealed carton with tamper indicating features
Sealed container for use in cooking with improved heat-seal line
Sealed container with tear opening feature
Sealed envelope assembly with locking pockets for free insert ma
Sealed flexible container with non-destructive peelable opening
Sealed flexible container with non-destructive peelable opening
Sealed flexible container with non-destructive peelable opening
Sealed packet with an adhesive strip for opening and reclosing
Sealed paper container
Sealed pouch having tear-open spout
Sealing of container closure
Self standing flanged tray with integral lid
Self-contained baking tray carton
Self-erecting end-load top-dispensing container
Separable article carrier