Shop Our Categories XWEB224 Search site Products First-Class Mail Products Products on Sale AvalaraTaxProducts Office Expensive Products Really expensive products with a super long category name PointOneCentProducts HOT Sale Products UPS Products Contact Us About Us Submit Search Nav Menu 2 Product Key Distributed Simple Products Email Me Better Price products Out Of Stock Products Automation TestProducts Recurring Billing Products Downloadable Products Auto-Drop-Ship Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Products > First-Class Mail Products > First-Class Mail 3.5Oz [ 0.21875 lbs ] Our Price: $10.00 Product Code: FIRSTCLASSMAILMIN_3-5OZ Qty: Description https://www.usps.com/ship/first-class-mail.htmWeight, Size, & Shape RequirementsMaximum weight for First-Class Mail letters is 3.5 ozMaximum weight for large First-Class Mail envelopes and parcels is 13 oz. Related Items Over Large First-Class Mail 13.54 Oz [0.845 lbs] First-Class Mail 1 Oz [ 0.0625 lbs ] Large First-Class Mail 13 Oz product [0.8125 lbs] Our Price: $10.00 Our Price: $10.00 Our Price: $10.00 Share your knowledge of this product. Be the first to write a review »