The hole is large enough to accommodate the ear without causing the pillow to lose its shape. Well no more, Ive just ordered a different brand and wont go back to Sennheiser ever again. For this price level, I had very low expectations. Weird, and when I tried to fasten to my circular handlebar, it was loose despite tightening all the way. You?ll have 1 huge hole. No more charger headphone jack door on the 4 just a usb type c at the bottom. (I?m not a fan of pink, but I couldn?t pass up the discounted price! Still think they are a bit overpriced at $39. Take care of and improve the things I buy. Es macht einfach viel Spaß Songs zu hören und man entdeckt Tön, die man davor nie wahrgenommen hat mit anderen Kopfhörern.