- Envelopes
- Commercial Account Holders Only
- Priority™ Prepaid
- Priority™ Non-Prepaid
- Xpresspost™ Prepaid
- Xpresspost™ Non-Prepaid
- All Standard Envelopes
- Priority™ Prepaid
- Regional
- National
- Xpresspost™ Prepaid
- National
- Regional
- USA
- International
- Poly Bubble Mailers
- All Bubble Mailers
- Size #0
- Size# 2
- Size# 4
- Size #5
- Size #7
- CD Mailers
- ebay Sellers' Flat-Rate Envelopes
- Airmail
- Self-Seal Envelopes
- Plain Envelopes
- Pre-Stamped Envelopes
- Photo Mailers
- Kraft Envelopes
- Collectible Envelopes