Feature: 1. Keep Food Fresh And Drinks Cold: Ice pack is ideal for daily use in lunch boxes, coolers, and more, perfect for work, school, picnics, hiking, fishing, and other activities. 2. Convenient Fresh Milk Storage: Carry fresh breastmilk without the need for multiple bags, promoting better growth for your baby and eliminating the hassle of carrying extra items. 3. Space Saving Design: Includes 5pcs ultra thin ice packs that fit into any lunch box or cooler, optimizing storage space for food and beverages, providing great convenient for you. 4. Use For Many Times: Unlike regular ice, these ice packs prevent messy thawing and can maintain frozen temperatures for longer periods, keeping sandwiches and other foods intact as the ice melts gradually. 5. Easy To Clean: Simply add water and stir to convert into gel form, freeze the packs overnight before use, and rinse them after use to store them back in the freezer for the subsequent round of cooling. Specification: Item Type: Ultra Thin Freezer Pack Material: Plastic Size: Approx. 16 x 11 x 2 cm / 6.3 x 4.3 x 0.8 in. Package List: 5 x Ultra Thin Freezer Packs