Options We will answer your questions and help you place your order! CALL US TOLL FREE: 800-648-0359 THREE TOP REASONS TO USE CSC EXPRESS CHECKS! Competitive Pricing Fast Turnaround Superior Quality Custom Imprints Software Compatible Imprints PACKAGING SEQUENCE OPTIONS These diagrams Indicate the form sequence the customer will see when the carton is opened in an upright position. COMPATIBLE DOUBLE WINDOW ENVELOPES ENV1 (Security Tint) ENV3 (Flip & Seal Security Tint)