JAM Paper & Envelope s catalog envelopes are a great colorful alternative to the classic white and manilla catalog envelopes! These are open-end catalog envelopes that have both a metal clasp and a gummed flap closure. Measuring 10 inches by 13 inches these envelopes are perfect for filing organizing or mailing documents letters memos and the like. Cut from high-quality 28-pound paper these envelopes have a smooth finish and a bright pink color. This pack comes with 10 fuchsia pink catalog envelopes.