SMALL BUT MIGHTY: Small in size. Mighty in cooling power! Each measuring at 5"" x 4.75"" x 0.5 these ""Days of the Week"" ice packs are compact enough to fit into any insulated bag or carrier. But don't let their size fool you: they're long-lasting so food/drinks stay winter-weather-cold for hours! | DURABLE FOR ANY OUTDOOR ADVENTURE: ""Cool blue"" reinvented! With five blue ice blocks in this set, you will be covered for the full week. From packing their favorite sandwich to leftovers in a bento box, meals keep extra fresh! To maximize cooling power, freeze the reusable ice overnight before next day use. | ENDLESSLY VERSATILE: Packing a lunch for work? No sweat! Pack one (or more!) in your insulated lunch bag, lunch box, baby bag, or picnic tote to keep items extra cold -- and colorful. Unlike regular ice that inevitably melts over time, these slim freezer packs were designed to keep your salads crisp and sodas cold without the mess of regular ice. For best results, stack multiple ice packs at the top and sides of your insulated bag! | SAFE AND NON-TOXIC: Built with BPA-free plastic and leakproof protection, the compact Cool Coolers reusable slim ice packs have a durable design that is break-resistant to withstand the toughest tumbles. They're non-toxic and safe to pack with unpackaged food! Easy to clean: simply rinse off and pat dry. | COOL COOLERS BY FIT + FRESH: Redefining the meaning of ""cool"", the Cool Coolers brand is the most trusted reusable ice brand for its groundbreaking line of dynamic ice packs! Available in multiple sizes, colors, materials, and shapes, Cool Coolers is undoubtedly the best of the best for your insulated bags!