Ear pads cushion compatible with for Sennheiser HD8 DJ H6 Headphones ,Cushions align with mounting posts inside the headphone earcups, snap easily into place. </BR></BR> Headphones sponge sets, in general, I recommend replace earpad every three to six months. Lot of people are not used deliberately to clean earpad, however product will contact with the secretions of face, secretions paste in headphone earmuffs, a long time it will breed a lot of bacteria, is likely to cause skin allergies, cross-infection and other diseases seriously affect health </BR></BR> Remark </BR></BR> The most important point in installation: remove the original adhesive COMPLETELY.Please search and look through the instrunction video on Youtube if you are not familiar with installation.</BR> These are new replacement parts, 100% brand new and high quality, almost same as original. </BR> Product is OEM, NOT made by Bose Corp, does not bear any trademarks that owned by original headphones Corp and the seller is NOT affiliated with the headphone original Corp. </BR> All images is real picture, All Images Copyright, All Rights Reserved