Envelopes can be purchased from a variety of sources ranging from local retail stores for immediate needs to specialized online wholesalers for bulk or high-end requirements.
: Retailers like Staples and Office Depot offer the widest local variety, including security-tinted, catalog, and clasp envelopes. where to buy envelopes
Buying online is typically the most cost-effective method for quantities over 50–100 or for finding specific colors and finishes: Envelopes can be purchased from a variety of
For immediate, small-scale needs, several local retailers carry standard envelope sizes (such as #10 business or A2/A7 invitation sizes): where to buy envelopes
: The USPS Postal Store sells standard white and manila envelopes. They also provide free envelopes specifically for Priority Mail and Priority Mail Express.