- Compact and portable design: Measuring 4.7x3.0x0.8 inches, these slim ice packs are lightweight and compact, easily fitting into standard lunch boxes, coolers, and lunch bags without taking up excessive space or adding extra weight. - Long-lasting cooling power: These reusable ice packs provide extended cooling for hours, perfect for keeping your lunch, beverages, or perishables fresh throughout the day, whether at work, school, or outdoor activities. Their stable freezer block design ensures consistent cold retention. - Versatile everyday use: Designed not just for lunch boxes but also compatible with coolers, swamp coolers, refrigerators, and even as picnic accessories, these ice packs add convenience to outdoor adventures or daily meal prep. - Eco-friendly and reusable: These freezer blocks can be reused hundreds of times, reducing waste from single-use ice bags, making them a sustainable choice for environmentally conscious consumers who want to keep cool responsibly. Usage scenarios: - Work or school lunches: keep meals and drinks cold from morning through mealtime. - Outdoor activities and picnics: use in a cooler for beach days, picnics, camping, or sporting events to preserve perishables and beverages. - Home, travel, and general use: keep in refrigerators, coolers, or picnic setups to maintain cold temps during trips or daily errands.