Opening the box was actually a challenge, I dont know what kind of glue they use, but I ended up ripping the box trying to get it open. Love, love, love these! john smith lab coat 5 year stint (rather disappointing for a higher end mouse) so I decided to switch companies and try out something else. The sound quality never changed and remained EXCELLENT . john smith lab coat Muy contenta con la compra. john smith lab coat ** If you found this review helpful, please mark it as helpful to let me know and help other buyers. Since my hope here was for better sound I cannot recommend these due to the dismal music performance. The plastic is quite thick and sturdy, and should put up with a lot of use john smith lab coat They are comfortable and supportive. Just my thoughts,AK
john smith lab coat