This set of helmet sponge liners is perfect for anyone who wants to increase the comfort level of their helmet. Made from high-quality sponge, these liners are soft and durable, ensuring that you can wear your helmet comfortably for longer periods. The non-toxic memory foam provides added comfort and conforms to the shape of your head for a perfect fit. The sponge material is breathable and not damp, preventing any discomfort due to sweat or moisture. The universal helmet sponge lining is waterproof and non-de-abrasive, providing firm adhesion while also allowing for sufficient airflow. The liners are easy to wash, quick-drying, and durable, ensuring a long-lasting solution to your helmet comfort needs. These liners are available in various inner sizes (5.910.59in/5.120.79in/4.721.18in/4.720.79in/4.131.18in/3.110.98in) and come with 36 films and 18 interior pieces, making them suitable for various helmet types and sizes. The set also includes red and black colors, adding a touch of style to your helmet. Features: Set of 18 Helmet Sponge Liners Made from High-Quality Sponge Material Soft and Durable Non-Toxic Memory Foam for Added Comfort Breathable and Not Damp Universal Helmet Sponge Lining Waterproof and Non-De-Abrasive Easy to Wash, Quick-Drying, and Durable Various Inner Sizes Available Comes with 36 Films and 18 Interior Pieces Suitable for Various Helmet Types and Sizes Red and Black Colors for Style Specifications: Colour: Red and Black Material: Sponge Film Size: 0.59*0.39in Inner Size: 5.910.59in/5.120.79in/4.721.18in/4.720.79in/4.131.18in/3.110.98in Package includes: 18 x Helmet Sponge Liners 36 x Films