Welcome to Flap and Seal Envelopes

Since 1995, Flap and Seal Envelopes has been dedicated to providing the highest level of service and quality. We take great pride in making all your custom envelopes orders worry-free. We are a full service printer located in Toronto, Canada. We offer a wide variety of products with the best lead times available and service clients across Canada and North America.

Regular Business Envelope
Regular Business Envelopes
Window EnvelopeWindow Envelopes Marketing EnvelopeMarketing Envelopes
Custom EnvelopeCustom Window Envelopes Open-sided EnvelopeOpen-Side Envelopes Open-End EnvelopeOpen-End Envelopes