By June the back seams of the left one had busted open. I agreed because the last time I took medication for sleeping, the daytime hangover was worse than fatigue from just not sleeping. I hear the CoolerMaster MasterKeys Pro L is the best quality "gamer board. if i had exchanged for the next size down there is no doubt in my mind that they would have fit perfect. Additional screws needed for assembly! If youre 25cm you should get the 8. They are basically just an expensive flip flop and when you add faulty manufacturing. Item arrived in a tiny, unmarked box. My husband has quite a wide foot, but sometimes the wide fit is too loose for him. I had to stick it down with double-sided 3M tape.