Need quick answers about practical use? This video highlights the essentials. Join us for a detailed walkthrough of Changzhou Jisi Cold Chain Technology's extra large reusable ice pack cooler. You'll see how this durable solution maintains precise temperatures from -30°C to 23°C, ideal for transporting ice cream, food, vaccines, and pharmaceuticals. Discover its PU or VPU core panels and PCM ice plates that provide extended cooling durations—from 12 to 120 hours—ensuring reliable performance for your cold chain logistics needs.