BAZIC Assorted Color Letter Size Zip Envelopes for Stationary and Office Supply Needs (Case of 24) LETTER SIZE ZIP ENVELOPE (MULTI COLOR). With 24 in a case, this assortment of color has something for everyone. They expand up to an inch for extra contents as they help to organize your work. SAFELY SECURE CONTENTS. Keep your documents secure and safe with a zip closure. This must-have school or office supply, you can accommodate all your letter size documents. REPUTATION + RELIABILITY. BAZIC Products has been offering uncompromised quality in school and office products since 1998. Dedicated to continuous improvement, we are proud to be an ongoing industry-leader. TRUE TO OUR VISION. By focusing on the integrity of our products and satisfaction of our customers, weve built a brand you can trust. We use customer insight to guarantee solutions to fit your needs. SOLD & DISTRIBUTED IN THE USA. Working with trusted factories, we ensure our products are up to the highest standard before sending to customers. Each item is shipped out of our headquarters in Los Angeles, never leaving until were satisfied with our product integrity.