ConfirMailers for USPS Tracking
- Use of mailers limited to parcels that must maintain shape throughout mail processing
- Ideal for mailing important documents and valuable items that need tracking
- Shipping boxes approved by U.S. Postal Service for use in tracking First Class Mail
- Made of sturdy small flute corrugated with peel and seal closure / tear strip opening
- Mail and track at ounce rates - ground carriers charge by the pound
- Order in package quantity of 25 mailers