Features: Long-Lasting Coolness: Our ultra-thin, quick-cooling ice packs are designed for maximum efficiency, keeping your food and drinks cold for hours on end. Safe and Reusable: Made from good-quality, non-toxic materials, our water-filled ice packs are safe for all ages and can be used again and again. Convenient Size: Our lunchbox cooler ice packs are designed to fit seamlessly into any lunch bag or cooler, providing a hassle-free cooling solution. Efficient Cooling: Utilizing advanced cooling technology, our ice packs provide efficient and consistent cooling to keep your meals fresh and delicious. Stay Cool On-The-Go: Whether you're at the office, school, or out on a camping trip, our ice packs ensure that your food stays cool and refreshing. Specifications: Material: PVC Weight: 3.5g Length: 16cm Notes: Please allow slightly errors due to manual measurement and different monitors. Include: Choice 1/4: 1*Ice Pack OR Choice 2/5: 1*Ice Pack OR Choice 3: 6PCS*Ice Pack