250x355 - Rigid Corrugated Envelopes A4 Equipment / Heat Sealers If you require specific compliance

If you require specific compliance statements for your sector

improved customer perception due to the metallic purple finish

the page may represent multiple pack quantities and related options—please select the variant that matches your required quantity and specification

If you are sealing heavy cartons

and adjacent surfaces

250x355 - Rigid Corrugated Envelopes A4 Equipment / Heat Sealers If you require specific compliance250x355 Rigid Corrugated Envelopes A4 Envelopes Rigid Corrugated Envelopes (A4) 250 x 355mm These rigid corrugated envelopes are designed to help protect flat items in transit by adding stiffness and crush resistance compared with standard paper envelopes. The 250 x 355mm format is commonly used for sending A4 documents and similar flat products where you want to reduce the risk of bending, creasing or corner damage during handling and delivery. Key