Features: Orderly organization: The cardboard inserts are able to keep your collection cards, like basketball, baseball, football, hockey, trading cards, organized and clean, which help to save more space in your room and make them tidy and ordered. Suitable for most occasions: These shipping sleeves are suitable for birthday party, children party, garden party, holiday celebration, Thanksgiving, family gathering and other celebration events. Specifications: Material: kraft paper Color: white Size: about 4.5 x 3.5 inches after folded Package includes: 200 x Cardboard mailing sleeves Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.