Package Listing: 2pcs*Replacement Bose quietcomfort ear pads QC15 / QC25 / QC35 2pcs*Quiet Ear plug(Free gift) 1pc*Velvet Bag-To carry your small stuff(Free gift) Tips: SERVICE LIFE AND USAGE PRECAUTIONS: Ear cushions Working Life Usually 1-2 Years, According To Personal Usage Habits,Someone Even Use the bose quietcomfort 35 earpads Just For A Few Months. Because the bose earpads qc15 Need To Be In Direct Contact With The Skin, The sweat On The Skin Will effect And Speed Up The Aging Of The qc25 ear cushion. Recommend To Take Off The Headphones When Sweating Too Much In Fitness, To Avoid It Slipping Off And Sweat effect Ear covers *The bose ear cups qc15 Working Life In The Co,ol Cl,imate Is Longer Than In The Hot Cli,mate. Too Hot Am,bient Will Also Shorten The Service Life *Because Of The Difference Between Photographing And Personal Perception, The Color Of The Earpads May Be Slightly Different, But Same Condition And It Does Not Affect The Use Take Care Of Your Bose qc 25 ear cushion kit You Will Be Able To Enjoy the qc25 replacement earpad for Longer Periods Of Time WATCH THE GUIDE VIDEO:Please watch our ear cushions installation video or search on Youtube before attempting! Pay Attention To The Installation Angle And Direction. Before Replacing The Ear Cushion, Please Make Sure That The Old Glue On The Headphone Has Been Completely Wipe Out. If It Is Not Cleaned, The Earpads May Not Be Stick Tightly Enough. WHAT WE WANT TO DO? To Be Honest, We Can’t Promise Our Product Could Be 100% Perfect, But We Are Willing To Accept The Advice From Our Lovely Clients,Improve Every Shortage Of Products In Time, And Strive To Satisfy Every clients Who Choose Us. Quality Service And Products Is What We Have Been Doing, And It Is Our Constant Goal.