Product Features:
• Material: Bio-based Phase Change Material
• Long lasting cooling :Constant Cooling up to 2.5 hours
• 15°C/59F
20°C/68F
24°C/75F
28°C/83F Available or customized
• Size: S(75± 5mm), M (95± 5mm), L (120±5mm)
• Easy to use: It takes about 10 minutes to cool the tube in ice water, in the case of freezer it will cool in about 20 minutes
• Excellent wear and usability with ergonomic design
• All Sports & Outdoor Activities: Try to wear this neckband while walking your dog, golfing, fishing, playing basketball, cycling, hiking, driving, or even gardening. It will keep you cool and comfortable
How to use
It takes about 10 minutes to cool the tube in ice water, in the case of freezer it will cool in about 20 minutes