A flat paper container, typically rectangular, designed to hold letters, cards, or documents. It protects contents and often conceals them, sealed with adhesive or a clasp. Used in mailing, business correspondence, and personal notes. Beneficial for individuals, offices, and postal services needing secure, organized delivery.
Get alerts when this topic surges in newsletters. Free to start.
Sign up freeExplore more trends:Trending Topics ·AI Trends ·Business Trends ·Finance Trends ·Technology Trends