Business Source Double Window No. 8-5/8 Check Envelopes - Double Window - #8 5/8 - 8 5/8in Width x 3 5/8in Length - 24 lb - Self-sealing - 500 / Box - White

Self-sealing design creates quick, simple closure Interior security tint keeps your sensitive information private Double-flap construction prevents gum from sticking before use Double windows allow use with printed addresses to prevent reading errors