The Leo Envelopes C4 Self Seal White Pocket 25 Pack features premium 90gsm large-format white mailing jackets. The 324x229mm layout accommodates unfolded A4 documents perfectly. A quick peel-and-stick self-seal flap requires no moisture. The clean pocket opening enables fast top-loading insertion. High-quality white paper delivers a highly professional appearance. It serves as a secure, essential office correspondence solution.