Specification:Material: RubberType: HeadsetColor: BlackSize: One SizeLength: 4mm(0.16in)Quantity: 10 Pcs(cap only,other accessories demo in the picture are not included!)Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package includes(without retail package):10 x CapPlease feel free to contact us if any problems, our customer service team will reply to you at the first time.