2 Sets of Helmet Padding Material: The sponge used in the helmet protection foam padding is high quality PU sponge with highly effective load-bearing capacity. Non-toxic and odorless. Velcro Fastening: The helmet pad set is fixed with high-quality velcro, which can protect the head well when cycling or doing other strenuous exercise. Breathable sponge: The sponge is breathable, soft, comfortable and durable, so your helmet will be clean and comfortable, dry and breathable during use. Easy to install: replacement Velcro high-quality helmet padding is easy to install and disassemble, and can be replaced regularly to effectively protect the head. Applicable scenarios: The bicycle helmet padding is designed according to the internal structure of the CP headset. The sponge cushion can be deformed and is very versatile., Universal Replacement Pads, Motorcycle Cycling Helmet Accessories