Quality Park 9 x 12 Ship-Lite® First Class Mail Catalog Envelopes with Self-Seal Closure, First Class Mail, 9" Width x 12" Length, Self-sealing, White, 100 / Box

9" x 12" Ship-Lite First Class Mail Catalog Envelopes feature a self-seal closure for convenient mailing. Reinforced, multilayered material is more durable than traditional paper for superior protection. Lightweight design can help you save on postage and shipping costs. Moisture-resistant construction preserves contents from rain and spills. Redi-Strip closure creates a secure seal. Simply peel off the strip and press for an immediate bond. First-class mail borders on the front and back provide a look of importance to help stand out from other mailings. Ship-Lite envelopes give you assurance that your documents or items arrive safely intact.