Triplast Window Self Seal Security Envelopes are the perfect mailing supply to save you time and effort. They are designed to stay sealed with no tape, glue or any kind of moisture. Just close the flap and press shut! These envelopes feature a see-through window that displays essential information - such as the recipient’s address or business information - without revealing sensitive details. Manufactured to a 90 gsm thickness for an ideal blend of lightness and durability, these envelopes are perfect to be used on a daily basis at home, at work, or in commercial settings. Sustainably produced, the paper used to make them is sourced from forests that have been well-managed, controlled, audited, and certified, and do not contribute to deforestation.
There are a wide variety of sizes and quantities to choose from. The sizes available are: C4 (324x229mm), C5 (229x164mm), DL (110x220 mm), & C6 (114x162mm). We also stock them in 2 other types: White Self Seal Security Envelopes & Manilla Self Seal Security Envelopes.
