Geekria Headset Case Compatible with Koss Portapro PP Headphone Hard Carrying Case / Travel Bag with Space for Cable, AMP, Parts, and Accessories BETTER PROTECTION - A hard shell case with a soft interior layer, the Geekria earphones case protects from dust, scratches, scuffs, shock, crush and moisture. Case are crafted with superior materials that are individually inspected and high-quality zippers tested for strength and reliability. TRAVEL FRIENDLY - This hard case for headphones is lightweight and compact to fit in your backpack, carry-on or luggage for improved traveling protection. SATISFACTION GUARANTEE - Every Geekria product is backed by superior quality, reliable customer service. If the case does not fit your headphone or break in 1 year, GeekriaDirect will replace it with a new one or full refund. No question asked. COMPATIBLE - Hard shell case fits Koss PortaPro. Case dimensions 3.54 X 3.54 X 2.13 inches (9 X 9 X 5.4 cm) Package Contents: Headphone Case X 1