Adjustable Comfort Sweat-wicking TPU technology draws moisture away from the skin to keep you dry and maintains a comfortable, secure fit for a wide range of neck sizes. Versatile For Many Occasions Well-designed packaging makes it suitable for business gifts or personal gifts. Promotes attention to health and offers a thoughtful gesture for friends and family at any event with the neck cooling tube. Comprehensive Versatility Built for use in multiple environments with long-lasting thermal relief. Excellent for work and outdoor activities, with a design suitable for all ages to meet diverse needs. Handy Design Lightweight construction with no electrical components for maximum portability. Delivers continuous refreshment through passive cooling technology, ideal for outdoor enthusiasts. Use scenarios Outdoor work or construction in hot conditions, where long wear with stable comfort is important. Travel, commuting, or daily activities in hot weather to maintain a cool feel without electronics. Outdoor recreation such as hiking, cycling, camping, fishing, or gardening to stay comfortable during extended exposure to heat.