Feature:1. SILICONE MATERIAL: High quality silicone material, soft and breathable, provides maximum comfort and stability. Lightweight and will not give you any burden.2. WASHABLE: The helmet inner pad is washable, can be washed directly with hot water, quick drying design, easy to and maintain.3. PRACTICAL: The inner liner of the helmet is odorless, reusable, safe and secure, and the size can be freely cut. Detachable design is easy to install and remove.4. SOFT TEETH DESIGN: Helmet liner can keep your head from accidental bumps, give your head an extra layer of protection, and massage your scalp to prevent messy hair.5. SCOPE OF APPLICATION: The universal lining of electric vehicle helmets is suitable for motorcycles, electric vehicles, bicycles, children's helmets, etc.Specification:Item Type: Helmet LinerMaterial: SiliconeSize: Approx. 22 x 20cm/8.7 x 7.8in Package List:1 x Helmet Inner LinerNote:Please allow some errors due to manual measurement.