A personal use cooler includes a cooler body having three chambers, each having an open end. Each of the chambers includes a respective lid movable relative to the cooler body. Each of the chambers is sealed when a respective lid is in the closed position. A drain is provided for draining a respective one of the chambers. At least one of the chambers is configured for personal use to minimize hygienic risk.

The application provides a composite surface light source of a refrigerator air duct, comprising: a diffusion layer; a light guide layer; a wire harness, connected with a LED light bar; and an air duct injection mold, arranged as a sunken frame structure, and a glue-dispensing groove and a wire-threading slot are provided at an edge thereof; wherein, the wire harness, the LED light bar and the light guide layer are disposed in the air duct injection mold, and the LED light bar directly faces the light guide layer; a glue layer is arranged in the glue-dispensing groove, and the diffusion layer is pressed to connect with the air duct injection mold through the glue layer; and an end of the wire harness penetrates the wire-threading slot, and a sealant is arranged in the wire-threading slot.