Quality Park 12 x 15-1/2 Catalog Mailing Envelopes with Redi-Strip® Self-Seal Closure - Catalog - #15 1/2 - 12" Width x 15 1/2" Length - 28 lb - Peel & Seal - Wove - 100 / Box - White

Catalog envelopes feature a removable strip that provides a clean, quick seal immediately upon contact. This convenient Redi-Strip closure requires no moisture to seal. Simply peel away the liner and seal. Paper strip keeps adhesive free of dust, assuring a long shelf life. Envelopes are made of a sturdy, 28 lb., white wove material.