UIM1370 Features: * Closure: Self-Adhesive * Envelope Size: 12 x 16 * Security Tinted: No * Format/Border: Standard * Seam Type: Side * Post-Consumer Recycled Content Percent : 0 pct * Expansion: 2 inch * Pre-Consumer Recycled Content Percent : 0 pct * Global Product Type: Envelopes/Mailers-Expansion Mailer * Window Position: None * Weight : 18.00 lb * Trade Size: #110 * Exterior Material(s): Tyvek * Total Recycled Content Percent : 0 pct * Envelope/Mailer Type: Expansion Mailer Includes: * Custom Imprint Included: No Color/Finish: * Color(s): White