Compact and portable design Measuring 4.7 x 3.0 x 0.8 inches, these slim ice packs are lightweight and compact. They fit easily into standard lunch boxes, coolers, and lunch bags without taking up extra space or adding noticeable weight. Long lasting cooling power Reusable ice packs provide extended cooling for hours, helping keep lunch, beverages, and perishables fresh throughout the day. Their stable freezer block design delivers consistent cold retention for reliable performance. Versatile everyday use Not just for lunch boxes, these ice packs are compatible with coolers, swamp coolers, refrigerators, and picnic setups. They add convenient cooling support for outdoor activities and daily meal prep. Ecofriendly and reusable These freezer blocks can be reused hundreds of times, reducing waste from singleuse ice bags. They offer a sustainable choice for environmentally conscious consumers who want to keep cool responsibly. Use scenarios At work or school: drop one into your lunch box to keep salads, dairy, and drinks cold from morning to afternoon. Outdoor outings: take them on picnics, beach days, or camping trips to maintain cold beverages and perishable snacks. Travel and storage: use in coolers during road trips or as an extra cooling element in refrigerators to boost overall cold retention.