Color-coded design simplifies mail classification for correct rate application
Thickness slot allows quick identification of letter, flat, or package
Integrated rate guide ensures accurate USPS first-class mail calculations
Doubles as a ruler for precise measurements in shipping tasks
When shipping using Stamps.com, be assured of the correct postal rate by making sure you’re sending your mail as the correct type. Use our First-Class Mail Shape-Based Template and never have a flat rejected for having letter postage again!
Color-coded design makes identifying mail classes simple