Features: Oil sprays coating, anti-fingerprints and non-staining, when stain are stained with a damp cloth, it can be removed. Real machine mold opening, precise hole opening, tight fit, not easy to fall off. There is no need to take off the headphone sleeve and it will not affect the charging. Skin-friendly feel, removable, and it can be washed and used for longtimes as new without fading or yellowing. High elasticity, shock absorption and anti-fall, rebounds instantly when it hit the bottom, without hurting the real machine. Using elastics silicone, full protective, strongers toughness, anti-falling and shock-absorbing, soft and skin-friendly, and durable. Specifications: Material:Silicone For DenonPerL Pro Size:Approx.83x39x35mm/3.26x1.53x1.37inch Color:Black/White/Red/Dark Blue/Dark Green Package Includes: 1x Headphone Protective Sleeve note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.