Self-Seal Expandable Envelopes
envelopes provide superior puncture, tear and moisture protection.

• Constructed from 18 lb. olefin.
• Ten times stronger than paper envelopes.
• Envelopes expand to hold bulky items.
• Feature self-seal closure.

Self-Seal Flat Envelopes
envelopes provide superior puncture, tear and moisture protection.

• Constructed from 14 lb. olefin.
• Ten times stronger than paper envelopes.
• Feature self-seal closure.
• Available in plain and First Class printed borders.

Tamper Evident Envelopes
envelopes provide superior puncture, tear and moisture protection.

• Constructed from 14 lb. olefin.
• Ten times stronger than paper envelopes.
• Feature a special seal that once broken, the word "OPENED" appears in red on the flap.

Self-Seal Colored Envelopes
envelopes provide superior puncture, tear and moisture protection.

• Colorful envelopes make your mailing stand out.
• Constructed from 14 lb. olefin.
• Ten times stronger than paper envelopes.
• Feature self-seal closure.