General purpose all-around helmet sponge lining, waterproof and non-degumming, stick firmly, and still have room for some airflow. Made of sponge, very and comfortable,breathable, not . Easy to install and disassemble. Resistant to corrosion, , shock-absorbing, sound and heat insulation. Applicable to any helmet, suitable for diy decoration helmet. Features - Color: Black. - Material: Polyester and plastic and sponge. - Size: 22.50 x 17.50 x 0.50cm/ 8.84 x 6.88 x 0.20 inch. - material, durable and soft. Easy washable and durable, quick-drying. - The helmet padding kit with can provide a safer for your life. - This helmet sponge is used to cushion the blow to the head, offer your head great protection. - This helmet sponge protection is used to replace the worn out or missing pads in your helmets. - This helmet sponge making your helmet clean and more comfortable for wearing. Package list: 5 x inner linings 18 x hooks and