Case Star &reg; Black Color Lightweight Heart-shaped Protective Carrying EVA Hard Headphone Case Storage Bag for Sony MDR7506 Professional Large Diaphragm Headphone with Case Star Black Color Drawstring Carrying Pouch Fit for Sony MDR7506 Professional Headphone. This product is fulfilled by Amazon. PLEASE NOTED CAREFULLY WITH SELLER. Hard shell case with soft interior layer for a better protection of your beloved headphone Its comparatively small size is perfect for travelling and it takes up a little room in your backpack or handbag. Dimension: 6.5 Inches Long (the longest line)5.5 Inches wide(the widest line) , 3.5 Inches wide(the highest line) It's better to let it air out by propping it open a few days before use.