• Opaque white paper envelopes, DL format (220 x 110 mm), without window, ideal for letters and documents. • Self-adhesive closure with gummed strip for easy and secure sealing, tamper-proof. • High-quality 90 g/m² FSC certified paper, environmentally friendly and 100% recyclable. • Suitable for professional and personal use: sending documents, letters, invoices, invitations, and notices. • Durable and resistant design, protects the confidentiality and security of the contents. • Perfectly fits the standard size of an A4 sheet folded in thirds, a practical and economical option. • Allows you to convey a professional and polished image in correspondence. • Pack of 50 envelopes.