For what this company charges not only for the litter locker itself but for the plastic bag refills, there's no excuse for its flimsy construction. After only a few uses the unit would not wind completely anymore, easily getting stuck. Bags would also easily break, dumping cat waste into the unit itself. The problem is, this unit can not handle several days worth of cat waste without getting jammed - and if you have more than one cat, forget about it. It's easier just to invest in some cheap kitchen trash bags - wasteful to be sure, but easier than having this unit fall apart on you.