Yes - the majority of garment bags have the sole purpose of preventing wrinkles in your clothing. If you’re looking for a garment bag which will prevent wrinkles, then make sure that it has at least two straps which will keep your clothing secure. It’s also worth looking out for a bag which has a hanger hole, so that your clothes won’t lay folded up for longer than they need too. To put it simply, garment bags do prevent wrinkles, just as long as you use them properly.\r