Our cooler box have been widely used in food preservation,medical refrigeration,transportation,household,food delivery and other 1. Model: KY1042. Capacity: 20L3. Inner size:355*245*260mm4. Outter size: 440*325*320mm5. Package size: 445*330*335mm 1PC/CTN6. Material: PE/PU/PSPU as insulation material can keep ice frozen for up to 96 hours.If you need cheaper price, pls choose the EPS as insulation ...