Outdoor trash cans are generally in public places. It has special requirements for the environment. It can withstand high and low temperatures in outdoor natural conditions, has sufficient mechanical strength and good impact toughness, and is easy to clean and integrate with the environment.
Indoor trash cans are generally used in kitchens and bathrooms, and kitchens and toilets are best to use trash cans with strong airtightness. Even if open trash cans with plastic bags are used, usually the bags must be fastened. And it's best to dump your rubbish every day, especially oyster rubbish and toilet rubbish, and you can't spend the night in the rubbish bin. This can prevent mildew and odor.