About this item A - Storage headset case design specifically for Sony WH-CH720N/WH-CH520 Headphones. (Sale for case only, not include the device). B - With embedded shapes design, it is easy to hold the box. You also can be hand-carried by strap, easy carrying WH-CH720N/WH-CH520 around. C - Inside made of flannel material, soft and comfortable, protect your headset from hitting, scratch, squeeze. D - Double smooth zipper can easily open and close the case, with mesh bag can hold cables and other small accessories. E - Outside made of waterproof oxford and durable EVA hard shell , which is waterproof, shockproof and dustproof. F - Enough lightweight and compact to fit in your backpack,carry-on or luggage for improved traveling protection.Outer Dimensions: (23cm*21.5cm*6.2cm) › See more product details