Have clients walk away with something they love by giving away this unique envelope! It’s made of 0.18 mm polypropylene (PP) and features a zip closure as well as a 4″ W x 2 1/4″ H business card slot that holds 3 – 5 cards. This item has a 1″ expandable gusset and can hold approximately 100 – 150 A4 and letter size sheets. This is a great way for students and office workers to keep their important documents protected from damage or spills. Add a brand name or logo for a giveaway that will catch the eyes of your target audience!