Bubbleope CD Mailer Envelopes Punch up your packaging with our bright and shiny Bubblopes®! These colorful envelopes will protect their contents while delivering your small holiday gifts, cards and thoughtful notes in style. Each Bubblopes® comes with a reusable Velcro closure, UPC sticker on the outside and easy-to-use mailing labels on the inside. Choose from one of our 10 Bold colors. We guarantee that your package will arrive in style! Bubblope CD Mailer measures 5. 5 x 5. 5. See choice of colors listed.