2 Pcs Cold Neck Collar for Adults - Long-Lasting Ice Cooling Neck Wrap, Reusable Freezable Neck Cooler for Outdoor Sports, Headache Relief, Hot Flashes, No Condensation, Fast Freeze in 10 Mins

Headache and hot flashes - can headaches or hot flashes. Put it in the or directly the .
◆Enjoy
◆No
◆1 x Cold Collar
◆3.
◆, there is no risk of skin necrosis or frostbite.
◆2. the product freezes, take it out and use it directly;
◆battery required! No charger required! Any place below 18 ° C (64 ° F) will start freezing. Just put this neck tube into ice water.
◆1. Please put this product into the refrigerator to cool for 10-30 minutes before use;
◆pillows and ice packs prepare you for the hot summer and keep you cool.
◆Cool
◆Please allow some difference due to manual measurement.
◆This material freezes faster and lasts longer than water! (It takes 10 minutes in ice water and 20 minutes in a refrigerator or conditioner!)
◆a of 40 minutes to 2 hours. The cold insulation varies depending the external environment. By maintaining the optimal temperature for
◆It can be stored in the environment or water below 26°C, the product will automatically, and the freezing will depending the temperature difference.
◆new coolant, no condensation! TPU fabric with strong sewing ability!