Why you need it Keeps meals and perishable items at a stable temperature without adding bulk Compact, durable cold source for daily commuting, breastfeeding transport, or short-term chilled logistics Key benefits and features Portable, space-saving design Low-profile shape fits easily into most backpacks, lunchboxes, and insulated bags for hassle-free transport Durable reinforced PE construction Strengthened polyethylene offers long-lasting stability and break resistance for repeated everyday use Reliable cooling performance Filled with expandable granulate that holds cold efficiently and helps preserve the ideal temperature of food and drinks Versatile and compatible Works well with insulated lunch containers, cool bags, small coolers, and ventilated cooling setups Proven suitable for storing breast milk and keeping meals chilled during transport Easy to use and maintain Freeze, insert into your container, and reuse as needed; simple cleaning and long service life Practical applications Commuter lunchbox: keeps sandwiches, salads, and snacks cool throughout the workday without taking up extra space in your bag Breastfeeding parents: reliable cold retention for safe short-term transport of expressed milk between home, daycare, or medical appointments Picnics and short trips: pairs with an insulated bag or small cooler to maintain chilled drinks and perishable foods on outings What makes it stand out Combines a slim, packable form with reinforced materials and an efficient granulate core to deliver dependable cooling and durability for everyday and occasional use Usage tips Freeze before use for best results Pair with an insulated container for extended cold retention Wipe clean with a damp cloth; avoid puncturing the pack Compatibility note Designed to integrate seamlessly with standard lunchboxes, backpacks, insulated bags, and small portable coolers without adding significant volume