Product Features The stretchable knitted fabric is comfortable and hand-washable, and the thicker one can keep your head warm. Using the product can effectively prevent dust by magnetic suction unit, effectively prolong the life of the headset unit, greatly improved the earphone durability. Fit many headphones, including Beats Studio, Studio3, Studio2.0, Solo3, Solo2.0, SoloHD, MIXR, EP, Bose QC35, QC25, QC15, SoundTrue, SoundLink, around-ear headphones II Headphones (See the list of compatible types in the product description) Product Dimensions: 8.85 x 3.14 inches (22.5 x 8cm), Color: Red Package Contents: Warmers Headband Cover x 1 Product DescriptionCompatible with: - SONY MDR-1AM2, MDR-1A, MDR-1AM2-B Headband - Beats Studio, Studio 3, Studio 2.0 Headband - Beats Solo 3, Solo 2.0, Solo HD, MIXR, EP Headband - Bose QC 35, QC35(Series I), QC35(Series II), QC 25, QC 15, SoundLink, SoundLink around-ear headphones II Headband - Bose SoundTrue, SoundTrue around-ear headphones II, AE, AE2, AE2i, AE2w Headband - Audio-Technica ATH-SR9, ATH-AR5, ATH-AR5BT, ATH-WS990BT, ATH-DSR9BT, ATH-DSR7BT Headband - Bang & Olufsen Beoplay H9i, H9, H9 3rd gen, H4, H4 2nd Gen, H8, H8i, H6, H2 Headband - AKG Y500, Y50BT, Y50BTBLK, Y50BTSLV, Y45BT, Y50, K490NC, K167 Headband - AKG K495nc, N60, K490, K 518, K619, Y55 Headband - Plantronics BACKBEAT PRO+, BackBeat PRO 2, BackBeat PRO 2 SE, BACKBEAT GO 810, VOYAGER 8200 UC Headband - JBL E50BT, Synchros S300, S500, J55, J56 BT, J88 Headband - Parrot Zik, Zik 2.0, Zik 3.0 Headband And many other headphones Note: - Headphone Headband only, Headphone is not included.