Seethong 555 Co., Ltd., the leader of envelope manufacturers under the brand "555" had been widely known both in Thailand and Oversea.
For over 80 years of experience this field, we focused to comprehensive about of envelopes with dedication to continue development the manufacturing and distribute for customer get the high-quality products and bester service.
We are specializing in standard envelopes which are vary more than 120 types, such as White Envelope, Government Envelope, Window Envelope, Color Envelope, Open End Envelope and also Special Open Envelope etc., are hear waiting for your selection.
Besides, we could customize any specific designs matching with our market styles. We could provide you the most outstanding special envelopes characterized by variety desires of our customers and target markets.
