Klein Tools' reusable ice packs provide plenty of cold without the mess of melting ice. These heavy duty ice packs are designed to quickly freeze and built tough to withstand drops, bumps and thuds. The interlocking pattern keeps the ice packs neatly stacked when freezing or storing. Made with 100-Percent BPA-free non-toxic materials, these ice packs are perfect for lunch boxes and coolers. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.