About this item Featuring a super-strong self-sealing adhesive strip, the envelope is built to withstand the rigors of transportation without opening or tearing. The powerful adhesive strip is a key element in ensuring the safe delivery of important items and information. With its advanced security pattern, the CREGEAR #10 envelope is the perfect solution for commercial and legal mailings, providing added protection for sensitive information. The envelope also features a windowless design, allowing for easy printing, labeling or handwriting of addresses, making it both convenient and efficient. Measuring 4-1/8 x 9-1/2 inches, the envelope is made from high-quality 24-pound white woven paper, providing the strength and durability you need.