Neck Cooler Cooling Heat Wraps Tube Air Conditioner with Gel

Be ready for a hot summer or cold winter with innovative materials originally developed for NASA to keep you staying cool or warm. This PCM gel freezes faster and lasts longer than water! No battery needed! No charger needed! Freezing starts ANYWHERE below 18C (64F). Simply place this neck cooling tube into iced water. No ice around you? No worries! It freezes using any AC! Car AC, Office AC, Home AC, ice box, refrigerator, freezer. Enjoy cool time for 40 minutes up to 2 hours. Cold holding time varies depending on the external environment. No risks of skin necrosis or frostbite through cooling by maintaining an optimal cooling temperature. New coolant with NO condensation phenomenon! (dry and cool)! TPU fabric with strong sewing doesn't allow tearing or breaking! Customize it with LOGO