Blake Avant Garde C4 Gusset Envelopes - 140GSM - Pack of 100

Upgrade your mailing standards with the Blake Avant Garde Premium C4 Gusset Envelopes. Designed for those who require extra strength and security, these heavyweight 140GSM envelopes provide a professional look for any business or personal correspondence. The expandable gusset design allows you to send thicker documents or multiple items without compromising the integrity of the packaging. Each envelope in this pack of 100 features the advanced PowerSeal peel and seal technology. This ensures a tamper-proof finish that remains secure from the moment it is closed, providing peace of mind during transit. The heavy-duty paper construction offers extra weight and extra strength, making your mail more durable against the rigors of shipping. Whether you are sending important contracts or bulky documents, these premium envelopes deliver a high-quality impression every time.