How to use: place the refrigeration agent in the freezer compartment for 5-6 hours and take it to the freezer. How to use without a refrigerator: buy ice cold drinking water in the store and pour it in an emergency bottle. Place the emergency bottle in a freezer cup. Solve your worries. Specification: Item Type: Cooler Material: 304 stainless steel Color: As Pictures Shown Cooling temperature: 2-8 degrees Cooling time: 30-40 hours Applicable outside temperature: 42 degrees or less 30 degrees Freezer Cup Size: Approx. 22 * 8.5 cm / 8.7 * 3.3 inch Cooler Bottle Size: Approx. 16.2 * 6.5 * 4.5 cm / 6.4 * 2.6 * 1.8 inch Package Include: 1 * Freezer Cup 1 * Cooler Bottle 1 * Emergency Bottle 1 * USB Cable 1 * Cup Cover

Convenient: Cup Bottle for Home,Travel,Camping, It is not necessary to use the battery, it is not necessary to charge it. Freezer Cup, Without opening the lid, the temperature of the medication can be clearly seen at a glance. It is very convenient. Portable Mini Refrigerator Cup , Portable size is suitable for travel use or home use. Suitable: Cooler Travel Cooling Cup Bottle, The refrigerated cup has been treated with high temperature and high pressure and has a long shelf life. Portable: 304 stainless steel vacuum insulation layer, adopts imported constant temperature refrigerant, in the high temperature climate of 42 degrees (low temperature -30 degrees below ), remains its companion. Portable: 304 stainless steel vacuum insulation layer, adopts imported constant temperature refrigerant, in the high temperature climate of 42 degrees (low temperature -30 degrees below ), remains its companion.

Number of Shelves: 1. Pattern: Solid. Door Material Type: Stainless Steel. Finish Type: stainless steel. Special Feature: Portable. Brand: Meiyya. Item Weight: 0.91 Kilograms. Number of shelves: 1. Finish types: stainless steel. Form Factor: Compact. : B07YX54135. Manufacturer: Meiyya. Item Weight: 2 pounds. Product Dimensions: 0.39 x 0.39 x 0.39 inches.