- Packs fit Glacier Tek sports, concealable, original and classic cooling vests
- Recharges in ice water in 30 minutes, freezer in one hour, or refrigerator in two hours.
- Nontoxic cooling material maintains a comfortable 59° F for 2.5 hours
- Set consists of 4 large packs and 4 small packs -- use only as many packs as you need to stay cool
- Each Spare packs weigh 16 ounces each and measure 18" by 5.25" by 0.5."
