Brown Gusset Envelopes Manilla – C4 with 25mm Gusset – 115gsm – Box of 125 A4 These high-quality manilla envelopes are designed to accommodate bulky documents without compromising on durability. With a 25mm gusset, they expand to fit binders, catalogues, and other large items, making them ideal for both personal and business use. ✅ Key Features: Size: C4 (324mm x 229mm) Gusset: 25mm expansion for bulkier contents Material: 115gsm manilla paper for strength and durability Closure: Peel and seal for secure and easy sealing Quantity: Box of 125 envelopes Ideal for: Sending A4 documents unfolded, binders, catalogues, and more 📦 Fast Dispatch – Order Today! Perfect for offices, schools, and home use—these envelopes provide a reliable solution for mailing larger documents.