[Multicolor (M | Women|Children)]
[Blue (L | Adult)]
[Product Details] M Size: Inner Circumference: Approx. 13.8 inches (35 cm), Weight: Approx. 4.6 oz (130 g) / Cooling below 8.1 °F (28 °C); Size L: Inner Circumference: Approx. 15.4 inches (39 cm); Weight Approx. 5.3 oz (160 g) / 6.4 °F (24 °C); Materials: Outer Cover: TPU; Contents: Polycarbonate (TPU; Great for heat stroke prevention during summer. Indoors work in the kitchen or at home, while working outdoors, doing sports, walking your pet, or doing outdoor activities. After sports or after a bath, you can shorten the amount of time to draw sweat. (How to use): You can use it as if the contents are cool and hardened. If the filling is liquid, put it in the freezer for 15-20 minutes or soak it in cold water for 30 minutes to cool and harden. For outdoor use, please refreeze it with a cooler bag containing ice packs. If you have any questions or questions when using our products, please feel free to contact our support. In the event that the product is defective, we will respond quickly to you within 12 months for a refund, exchange, etc.