I have 4 Styrofoam coolers with ice packs from items that had been shipped. The outside is 15" x 11" x 8.5" and the inside is 11" x 7" x 5.5". They would be great for anything, but last year a wedding planner took them to keep them in the trunk of the cars for cold drinks. Maybe would be good for a Lyft or Uber driver or anyone else who wants to keep drinks cold in the car? Thanks!