Naturehike Outdoor Insulated Portable Cooler using three layer temperature locking material, divided into inner liner, insulation layer, and outer layer. The inner liner is made of food grade PP material, the insulation layer is made of thickened PU foam layer, the 5L outer layer is made of food grade PP material, and the 18L outer layer is made of food grade PE material. Therefore, cold, hot, and fresh food can be stored freely.

It can withstand a weight of 165LBS, the shell is reinforced firmly, and you can rest under the insulation box when tired without worrying about damage.

Naturehike Outdoor Insulated Portable Cooler equipped with upgraded large opening for easy access and storage of items, and two sizes for you to choose from: 5L size is 290mm × 208mm × 204mm (11.4 '' * 8.1 '' * 8 ''), weight is 0.94kg (2.07lbs), 18L size is 405mm × 320mm × 290mm (17.7 '' * 12.5 '' '* 11.4' '), weight is 2.55kg (5.62lbs).

Naturehike Outdoor Insulated Portable Cooler has high sealing performance to ensure that the cooler will not leak and is airtight. This can prevent dust and other impurities from entering and contaminating food and other items, making it the best choice for outdoor travel.

Naturehike Outdoor Insulated Portable Cooler can keep warm for up to 48 hours, and has a thick handle design, which can be used for holiday travel, fishing, barbecue, mountain camping, beach camping, and when carrying it with you.

Reminder: It is necessary to avoid prolonged direct sunlight or placing the insulated box in a humid environment. After use, keep the inside and outside of the box clean and dry to avoid mold or odors inside. When using, sufficient ice cubes should be added to achieve effective refrigeration. During use, try not to open the box frequently to avoid poor insulation due to air circulation inside and outside. Do not use dry ice,thanks.