400 Pack Foam Replacement Bud Earbud Earpad Sponge Covers for Apple (Ipod,/Iphone/ Itouch/ Ipad) and stereo Mp3 Headsets Fit for iPod /Iphone/ Itouch /Sennheiser/Sony /stereo mp3 And Similar Stereo Headsets Good for Headsets' diameter ranging from 13mm-19m High Quality soft elasticity,comfortable ,durable & flexible Quantity: 12 pairs (24 ear pads) Size: 18mm / 0.7" Diameter