Why buy new headphones when you can just replace the foam! These are round headphones that are 55mm in diameter 

• Easy to replace! These measure 2 1/2"  (unstreatched)
• Package includes 2 new foam replacements for your headphones (enough for one set of headphones).
• These will work on ROUND style headphones
• These replacement pads have the premium 6mm thick center for added comfort! (The factory standard is only 3mm. thick).
• Do not sacrifice on comfort!