10 5/16" x 5" x 5 9/16" Outside Tuck Mailers. Outside Tuck won''t interfere with contents. One piece cartons feature tabs to lock cartons closed. No tape necessary! Designed to ship 25 CDs in jewel cases. Sold and shipped flat in bundle quantities. Manufactured from strong 200#/ECT-32-B oyster white corrugated. 50/Bundle.