Mr. & Mrs. Envelopes (3.625" x 2.75") - 100 Mini Envelopes Mr. & Mrs. Sized Envelopes - Measures 3 5/8" x 2 3/4" Made for cards up to 3 1/2" x 2 5/8" Made from Quality 70lb Text White Paper Stock - Inkjet & Laser Printer Compatible *Note: Size of envelopes is too small to mail via USPS **Note: Size of envelope may be too small for your printer- consult your manual if you plan on printing