Neck cooler that provides a natural cooling sensation below 28℃. - Product Name: Cooling Ring Cool Neck Ring - Size: M - Usage Temperature: Natural cooling below 28℃ - Features: Condensation-free structure - How to Use: Can be cooled with water or ice - Country of Origin: China Thank you for looking. □Please read my profile. MASCLUB Cooling Ring Cool Neck Ring M size Used a few times this summer. It doesn't seem to have any noticeable damage, but as it is a used item handled by an amateur, please understand this point and only purchase if you can handle it responsibly. Will be shipped via Mercari便 with simple packaging.