UIM1210 Features: * Closure: Self-Adhesive * Envelope Size: 9 x 12 * Security Tinted: No * Format/Border: USPS First Class * Seam Type: Side * Post-Consumer Recycled Content Percent : 25 pct * Expansion: No * Pre-Consumer Recycled Content Percent : 0 pct * Global Product Type: Envelopes/Mailers-Recycled Mailer * Window Position: None * Trade Size: #90 * Exterior Material(s): Polypropylene * Total Recycled Content Percent : 25 pct * Envelope/Mailer Type: Recycled Mailer Includes: * Custom Imprint Included: No Color/Finish: * Color(s): White