At least 3-1/2 inches high x 5 inches long x 0.007 inch thick. No more than 6-1/8 inches high x 11-1/2 inches long x 1/4 inch thick. First-Class Mail letters that have one or more nonmachinable …

Quick Reference: Popular Envelope Size Comparison Finding the right envelope size doesn't have to be complicated. Here's a quick comparison of the most commonly used envelope …

Envelope Size Chart & Buyer’s Guide Choosing the right envelope size prevents folds, reduces postage surprises, and makes your mail look more professional. Use the chart below to match …

When planning mailing letters, it helps to have a quick-glance chart of the most common envelope sizes and USPS classifications. Below is a guide to standard envelope sizes, large envelopes, …

This guide provides comprehensive envelope size charts with standard envelope dimensions, measurements, and specifications to help you select the right option for your documents and …

Jul 2, 2025 · Different envelope sizes serve unique purposes. Legal-size envelopes at 9 x 14 inches (22.86 x 35.56 cm) hold legal documents without folding. A2 envelopes (4 3/8 x 5 3/4 …

Western States offers a comprehensive listing of standard envelope styles and sizes to help determine the envelopes that will work best for you!

Although there are different standard envelope sizes in Regular Envelopes, they all have some common characteristics. The following are some of the crucial attributes of a Regular …

Use this guide to compare envelope sizes —from standard business envelopes to specialty types —and find the best fit for your letters, invoices, or marketing materials. Regular envelopes …

Dimensions and size charts for US and North American envelope sizes including commercial style, announcement style and catalog style envelopes. These styles encompass named …