Its similar thickness and feel of a plastic bathroom scale-- it may creak and flex a little bit. I was very disappointed, however, when I realised the product appears to have no built-in Acoustic Echo Cancellation, and that it recommends third party software for noise suppression - and even with that, low levels of gain, and enhanced low-cut filter on or off, the microphone was still picking up sound from my speakers using a separate audio output of the same PC. But found the adhesive was so strong that I cant even pull it off. Doesnt work at all, dont waste your money. I mean literally - they are ok. There is zero latency no lip sync issues which is a huge plus. I like these, I organize my closet at the end of seasons and protect my clothes from dust. If each iteration is this painless of a change, I think Ill just stick with Sennheiser CX series earbuds for the rest of my life. As soon as I opened these from the package and put them in my ears I felt like a cyberman put one of those mind controlling devices in my ear (Doctor Who. It?s brand new!