YETI Ice Blue Cooler Ice Pack, 4 lb. chills ice and the contents in your cooler faster, helping to keep everything colder and fresher for longer during any adventure. Its custom shape is designed to reduce zing time while maximizing durability, making it a reliable companion for your outdoor activities. Filled with a food-grade, phase-change liquid, this ice pack measures 8 inches wide by 10-3/4 inches long and 1-5/8 inches deep, providing efficient cooling performance in a sturdy and practical design. Model Number: