That's an excellent question! Yes, you absolutely can and should consider getting a waste bin with a smaller opening if your goal is to discourage people from dumping oversized items. This is a common and effective strategy in public space management and even in some office or residential settings.
The logic is simple yet powerful. A standard, large-opening bin almost invites people to dispose of coffee cups, food containers, small bags, and unfortunately, even larger bags of household trash or bulky items they should handle elsewhere. A bin with a restricted aperture—think a narrow slot, a small circular opening, or a spring-loaded flap—creates a physical and psychological barrier. It signals that the bin is intended for typical, small-scale litter like wrappers, cans, and bottles.
The benefits are clear: it reduces contamination from improper items, keeps the area cleaner by preventing overflow, and can lower maintenance costs as workers spend less time removing inappropriate debris. For best results, pair such a bin with clear signage (e.g., "For Small Litter Only") and ensure proper, convenient alternatives are available for larger waste streams. It’s a smart, passive design choice that guides better behavior.