Yellow lamination, 11x5 inch, 90GSM durable paper, weather-resistant document secure. Protect your important documents with the Yellow Laminated Envelope (11 × 5 Inch), designed for secure and reliable mailing. Made from 90 GSM high-quality paper with a lamination inside , this envelope offers excellent durability while protecting contents from moisture, dust, and light splashes during transit. Its waterproof and moisture-resistant construction helps keep documents safe, making it ideal for invoices, bills, letters, certificates, office documents, and other important papers. The compact 11 × 5 inch size is suitable for everyday mailing and office use convenient to carry folded a4 sheet into three fold, while the sturdy design ensures enhanced protection during handling and transportation.