Sleevie Wonder (est. 2008) Clear no posts cases x10. New and improved design! Front is the spine, back has no posts. 4-1/4" x 2-3/4" x 5/8". Wide variety of colorful cassette cases in my store. Use to store and protect old cassette singles in the cardboard slip covers. Also could be used for small household items such as batteries, headphones, usb drives, and nintendo games. Orders go out within 24 hours, USPS (worldwide).