Material: Gel Size: 18cm/7.08in Color: As shown in the figure Product features: 1. Adopts high-efficiency cooling gel material, which can provide a cooling effect and make outdoor work and sports more comfortable. 2. The ice pad structure designed for helmets and hats fits the curve of the head to ensure that there is no pressure when wearing and the temperature is evenly reduced. 3. It can be reused. It is especially suitable for outdoor activities such as construction sites, cycling or hiking in high temperature environments in summer. 4. The light and soft design does not change the appearance and wearing experience of the original helmet or hat, while improving breathability and coolness. 5. The operation is simple, just put it in the refrigerator to activate it, which is an ideal cooling companion in hot weather, with super cost-effective. Package includes: 1 pc Helmet ice pad