Stay Chill, Stay Stylish! ❄️ No risk of frostbite with optimal cooling! Enjoy up to 2 hours of refreshing coolness! No batteries or chargers needed! Freezes in just 10 minutes! Designed for comfort and style! 40 mins to 2 hours of cool NASA-inspired cooling tech 100% Korean quality The Neck Cooling Tube is a revolutionary wearable cooling solution designed to combat summer heat. Utilizing NASA-developed PCM gel technology, it freezes quickly and provides long-lasting coolness without the need for batteries or ice. Made from durable, non-toxic TPU fabric, this ergonomic neck wrap is perfect for any environment, ensuring comfort and safety while keeping you cool for up to 2 hours.