Features:1.The Foam with features of high elasticity, durable and soft.2.Good replacement for your worn-out or lost headset microphone pads.3.Compatible with most headset microphone.Specification:Material:FoamType:Inner Diameter/ Length(L:45*25*11,30*20*8 S:37*30*12,35*25*10)Package includes:10x Headset microphone pads