●Helmet Pad Material The sponge used in the helmet protection foam padding is a high quality PU sponge with high efficiency resilience. Non-toxic and odourless. ●Velcro Fixing The helmet pad set is attached with high quality Velcro, which can well protect the head when cycling or other strenuous exercises. ●Breathable Sponge The sponge is breathable, soft and comfortable and durable, making your helmet clean and comfortable, dry and breathable during use. ●Easy to Install The high-quality Velcro helmet pad replacement is easy to install and disassemble, and can be replaced regularly to effectively protect the head. ●Applicable Scenarios The bike helmet padding is designed according to the internal structure of the CP helmet. The sponge cushion can be deformed and is versatile.