Features: Keep Food and Beverages Cold: Stainless steel ice packs for lunch boxes keep food and beverages cold longer than traditional plastic ice packs. Reusable lunch box ice packs are sturdy than plastic bag ice packs. Premium stainless steel body keeps food and beverages colder longer, usually more than 8 hours. Versatile Use: Perfect freezer box for everyday use in lunch boxes, breast milk bags, lunch boxes and coolers. In addition to its function of keeping food fresh, ice packs for refrigerator can also be used to ice wounds to help them recover faster, making it a versatile treasure. Easy to Carry: Perfect for college, office, camping and other outdoor activities. Stainless steel construction allows the ice pack to withstand any tumbling or tossing that may occur on the go. Food Grade Stainless Steel: Each lunchbox refrigerator is produced long-lasting, food grade 304 stainless steel, filled with valuable gel coolant that cools faster and freezes longer than water, reusable, won't rust or corrode, has a smooth covering, and seals tightly so that it won't cause leaks that can affect your food. Easy to Clean and Store: The lunch box ice packs has a polished covering for easy cleaning and a rectangular design for easy storage. After each use, simply rinse out the ice return it to the freezer for 6 hours or more before using again. Specifications: 304 stainless steel Practicality: Suitable for home kitchens，restaurants and lunch box, it can be used to quickly cool food or keep food fresh Package Includes: Main machine 304 stainless steel Ice Pack × 1 note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color about the item.