Refrigerated products are placed on cages during delivery from refrigerated trucks to supermarkets. In high temperature, the product is exposed and ice is easy to melt; Cold storage products meet high temperature, easy to lead to product deterioration. The cage cover can perfectly solve the "last mile" transportation problem. Polyester cloth and polyester cotton combination, built-in ice board, provide a relatively low temperature stable environment. Ensure product quality, and products can be reused, reduce procurement costs.