Features: Breathable bike helmets pad,the bike riding helmets liner pad is breathable,comfortable keep you-cool-to wear helmets in the hot-summer. Convenient to use,the cycling helmets insert pad is convenient to use with a lightweight design, and will not put any burden on-you. it can massage the-scalp to prevent the hair from being-messy. Quality material,the helmets inside padding has great quality with selected soft silicone material. the helmets liner pad is not easy to-deform, and can be freely cut in-size. Wide range-of use,there is a wide range-of use for the helmets padding helmets accessory. it can be used for motorcycles, electric vehicles, bicycles, childrens helmets, etc. There are 3 color optional,you-can choice follow you-like Specifications: Material:Silicone Note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Piece Bike Helmet Pad