Abstract: A partially refrigerated pet supply storage device comprising inter alia a refrigerated thermally insulated box, a non-refrigerated interior compartment, and a non-refrigerated storage cart removably engaged to the non-refrigerated interior compartment. The storage cart can be removably engaged with the base structure of the storage device so that the user can have easy access to the storage cart and ultimately remove the storage cart from the non-refrigerated portion of the device, and when the storage cart is engaged with the base structure of the storage device, the storage cart serves a load bearing function. Once the base structure is engaged with the storage cart the overall stability of the storage device is bolstered thereby reducing the load borne by other load bearing members of the device.