Outdoor trash cans are a type of public facility mainly used to hold garbage and waste, often placed in outdoor public places such as parks, roadsides, residential areas, schools, etc. Compared to indoor trash cans, they have higher durability to cope with harsh natural conditions such as sunlight, wind and rain, frost, etc. Outdoor trash cans are usually made of materials with better durability, such as stainless steel, cast iron, reinforced concrete, etc.