That's a great question, and honestly, it's something I've dealt with myself. In my experience, it really depends on the specific bin. Some models have lids that are firmly hinged and attached, making them pretty secure. Others, especially older bins or certain cheaper models, have lids that just sit on top and can come off with a strong gust of wind or if nudged by an animal.
It's actually more of a common issue than you might think. A loose lid is a real nuisance. It can lead to trash scattering all over the yard on a windy day, attract pests like raccoons and stray cats, and let rainwater soak the garbage inside, creating a smelly mess.
If your lids come off too easily, there are a few simple fixes. You can purchase aftermarket bungee cords or lid straps designed for trash cans. For a permanent solution, some hardware stores sell replacement hinge kits. Checking the lid's fit and ensuring the bin isn't overfilled, which can prevent the lid from sitting properly, also helps a lot.
Ultimately, having a securely attached lid saves you a lot of cleanup hassle and keeps your outdoor area neater and more sanitary. It's worth taking a moment to check your bins!