These strong, durable cases have a heavy duty snap lock, holes for proper ventilation and are 3" wide x 3" long x 1.5" high. A bag of 144 retainer cases comes in 6 assorted pearlized colors and includes adhesive identification labels. Personalized items are non-returnable. Personalized products are generally shipped within 4-6 weeks of order date. Please contact us at 800-558-6684 if you need more information.