Gel Ice Packs, 4 oz, 4-1/2" x 4" (Set of 15) Outstanding value: 15 gel ice packs for keeping food and drinks cold Non-toxic, water soluble gel is leak-resistant even if the pack is punctured Reusable -- use 1 pack for small items or fill up your cooler with multiple packs Small and versatile: volume = 4 oz; dimensions = 4-1/2" x 4" x 1/2" Made in USA