1. High-quality EVA layer with waterproof, dustproof, shockproof function, to protect the device against accidental spills or scratched
2. Zipper design to prevent slipping off
3. Portable simple pocket-sized design, lightweight and compact
4. Surface material/ lining material/ size/ logo/ color, both can do OEM/ODM for your choice
5. Made in China or Vietnam
Compatible for Sony WH-CH510, WH-CH500, WH-XB900N, WH-1000XM3, WH-1000XM2, MDR-1000X Headphone and parts.