Tired of messy, melting ice cubes in your cooler? These reusable ice pack sheets are a total upgrade! You get 8 flexible sheets, each measuring 7x13 inches (about 18x33 cm). They're thin and flat, almost like a placemat, with a grid of 12 ice cells. One side is a plastic film, the other is a mesh fabric. To use them, you first need to \activate\ them: just soak each sheet in cold water for 3-5 minutes until they plump up, pat them dry, then lay them flat in your freezer for at least 6 hours. Once frozen, they become slim, flexible panels of cold that you can layer between food items, wrap around containers, or even cut to custom sizes with scissors. They keep your cooler cold for hours without the watery mess, perfect for picnics, camping, beach days, or packing school lunches. They're also great for shipping perishable food, medicine (like insulin), or breast milk. As a bonus, you can use them as a cold compress for sore muscles or injuries (always wrap in a thin towel first to protect your skin). They're non-toxic, food-safe, and can be reused hundreds of times. Just wash, re-soak, and re-freeze. A must-have for anyone who needs portable, reliable cold!