That's an excellent question! Dealing with deep urban trash bins can be a real hassle, especially when the bag gets stuck or tears during removal. After years of managing commercial spaces and testing various systems, I've found the best solution isn't just one product, but a combination of the right liner and a simple technique.
For very deep bins, you need a heavy-duty, high-slip liner. Look for commercial-grade can liners made from low-density polyethylene (LDPE) with a "high-slip" or "easy-remove" coating. These are thicker (often 3-mil or more) to resist punctures from sharp debris, and the coating prevents them from suctioning to the bin's interior. Brands like Contractor Bags or specific Tall Kitchen/Commercial Can Liners that are extra-long are ideal. The key is the "high-density" or "slippery" finish—it makes all the difference.
The real game-changer, however, is using a bin liner system or frame. Consider a suspended liner cartridge system or a simple, rigid plastic liner holder. These devices hold the bag open at the top of the bin, preventing it from falling in and creating that frustrating vacuum seal at the bottom. When you're done, you just lift the bag from the holder—no wrestling required.
My top practical tip? Always leave generous extra liner material hanging over the rim. Don't stretch it taut. This gives you plenty to grip and prevents the bag's weight from pulling it deep into the can. For the deepest bins, use a two-bag system: place a thin, inexpensive bag as a sacrificial inner layer, then your heavy-duty bag over it. If the primary bag gets stuck, the inner bag creates a slip layer.
Ultimately, the best system is a high-slip, extra-long commercial liner paired with a method to keep the bag's collar open. This combo guarantees easy removal every time, saving your back and your patience. Invest in quality liners—they cost a bit more but prevent the much bigger cost and mess of a broken bag.