Double Cooling System: Provides temperaturestable cooling for prolonged lowtemperature maintenance, helping preserve perishables and efficiently control transit temperatures. LongLasting Cold Retention: efficiency gel packs paired with energyretention technology. Uses phasechange and slowrelease methods to maintain a steady cold environment over extended periods. Precision FoodGrade Cooling: Vacuuminsulated design delivers fullcoverage cooling and precise temperature control that meets foodgrade refrigeration requirements in a dependable and sustainable way. QuickFreeze Capability: Designed for timesensitive logistics, offers instant cooling with quickfreeze capability to ensure cold chain compatibility and reliable performance during transit. Key attributes at a glance Function: maintains low temperatures, extends cooling duration, enables quick freezing when needed. Compatibility: suitable for coldchain transport of perishables that require foodgrade cooling. Material and construction: gel packs with energyretention technology and vacuuminsulated housing for fullcoverage cooling. Performance: steady lowtemperature maintenance, long retention, and fast freezing capability. Practical use scenarios Scenario 1: Transporting seafood, meat, dairy, or other perishables in trucks or delivery boxes where stable temperatures must be maintained from pickup to final destination. Scenario 2: Delivering prepared foods, groceries, or catering orders that require reliable cold chain preservation from warehouse to customer residence or event site. Scenario 3: Timesensitive shipments or popup delivery services that benefit from rapid cooling and fastfreeze capability to meet tight schedules and temperature requirements.