4 Reusable Cooler Gel Ice Packs 17.5oz Small Cold Freeze Food Pain Relief SportsJust place in cooler for picnics, camping, or lunch boxes. Use as a first aid complement when having bruises, sprains and while training to cool your muscles. Safe and non-toxic Colder than ice Wrap in towel for first aid use Measures: 7" x 3.75" x 1.75" Leak-proof construction Polypropylene bottle Unique shape Multiple uses