UIM1255 Features: * Security Tinted: No * Closure: String and Button * Envelope Size: 10 x 13 * Format/Border: One-Sided Five Column * Seam Type: Traditional * Post-Consumer Recycled Content Percent : 20 pct * Expansion: No * Pre-Consumer Recycled Content Percent : 0 pct * Preprinted Message: Inter-Department Delivery, Date, Deliver To, Department, Sent By, Department * Global Product Type: Envelopes/Mailers-Interoffice * Window Position: None * Compliance, Standards: SFI-Certified * Weight : 28.00 lb * Trade Size: #97 * Exterior Material(s): Kraft * Total Recycled Content Percent : 20 pct * Envelope/Mailer Type: Interoffice Includes: * Custom Imprint Included: No Color/Finish: * Color(s): Light Brown