It is made of ABS material and has a foldable design, making it easy to store and carry. Whether it is daily commuting, business trips, or travel, it can be easily packed into a backpack without taking up too much space. The material selection of headphones focuses on comfort and durability. The earmuffs are made of high fidelity protein leather and filled with skin friendly and breathable memory foam, which will not cause significant pressure even after long-term wear