Features: 1SILICONE MATERIAL: High quality silicone material, soft and breathable, provides maximum comfort and stability. Lightweight and will not give you any burden. 2WASHABLE: The helmet inner pad is washable, can be washed directly with hot water, quick drying design, easy to clean and maintain. 3PRACTICAL: 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. 4SOFT 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. 5SCOPE OF APPLICATION: The universal lining of electric vehicle helmets is suitable for motorcycles, electric vehicles, bicycles, children's helmets, etc. Item Type: Helmet Liner Material: Silicone Size: Approx. 22 x 20cm/8.7 x 7.8in Package Included: 1 x&nbspHelmet Inner Liner