Features: Ergonomic design, the earmuff fits ear, comfortable to wear. The protein leather relieves the feeling of auricle pressure, soft and breathable, delicate feel. The interior is filled with memory sponge, which slowly restores after pressing, without pressure when wearing. The principle of high frequency heating makes the earmuffs strong and durable, preventing cracking and off-line. Specially compatible with Bose QC25 QC15 QC35.(The headset is not included) Specification: Type: Replacement earmuff Color: Blue/Black/Silver Grey/Dark Grey(optional) Material: Protein leather+memory foam Applicable model: Compatible with Bose QC25 QC15 QC35 Packing list: 1 * Pair of ear pads 1 * Pair of cotton pads