● Brand: Y'sGOD JAPAN (Yamasin Seikyo) ● Product: Ice G AIR Ring ● Manufacturer Part Number: ICGA-WH-L ● Color: Silicone White ● JAN Code: 4534587974066 ● Weight: Approximately 215g (including plate) ● Size: L size, Neck circumference 39cm ・Width 46 x Height 5.5 x Thickness 1.6cm ● Materials: TPU (Thermoplastic Polyurethane), PCM, Plastic ● Approximate freezing time in refrigerator, etc.: ・Ice water: 10 minutes ・Freezer: 40 minutes ・Refrigerator: 100 minutes ・Uses PCM material born from space technology, absorbing heat and cooling the neck at 26°C. ・Compared to conventional products, the shape of the PCM that contacts the skin is made larger, making the cooling sensation easier to transmit and more comfortable to use. ・Creating gaps between the PCM improves breathability and prevents stuffiness. ・The plastic on the outer circumference fits the neck and prevents the PCM parts from falling off. ・Easy to remove and washable. Used once. Stored at home, but selling because I don't use it.