use:No battery required! No charger required! Freezing can be done anywhere below 22°C (71.6°F).Only 10 minutes in ice water, 20 minutes in freezer or air conditionerJust put this neck cooling tube into ice water. No ice around? Don't worry! Use any AC for freezing! Car AC, office AC, home AC, freezer, refrigerator, freezer.

Bullet Points:1,Long-lasting Cooling Tube: Get ready for the hot summer and the innovative materials developed to keep you cool. This gel freezes faster than water and lasts longer!2,No Battery Needed: No charger needed! Just put this neck cooling tube into ice water. Is there no ice around you? Don＇t worry! It can be frozen with any air conditioner! Car air conditioners, office air conditioners, home air conditioners, ice boxes, refrigerators, and freezers.3,Safe and Enjoyable: Enjoy the cooling time of 4-6 hours indoors and 3-5 hours outdoors. The cooling time varies with the external environment. By maintaining an optimal cooling temperature, the new material has no risk of skin necrosis or frostbite.4,Brand New Coolant: Brand new coolant, no condensation! (Dry and cool)5,Physical Cooling: Physical cooling, safer and more assured.

Features:The characteristics of the cold neck ring: The liquid inside is mainly imported liquid. The product can be used directly in contact with the skin after being frozen in the refrigerator. The surface will not be fogged or water droplets, and the temperature is always maintained at about 18 degrees, which is very comfortable to wear! If ordinary water is put in the refrigerator and then taken out, it cannot be used directly in contact with the skin, and it will be very cold! Our cold neck ring is made of a special liquid that is very comfortable to wear directly in contact with the skin!

Specifications:Name: Neck Cooling TubePurpose: Cooling down to relieve heatMaterial: environmental protective and healthy PPApplicable: for men and women

Notes:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.

Packing List: 1 * Neck Cooling Tube