Feature:1. Good Compatibility: In the for ACH, for MICH, for Team Wendy, for FMA and for EXF helmets, the memory foam pad releases well and provides all day wearability. This style makes them super comfortable and adjustable.2. Strong Compatibility: The helmet dial suspension system chin strap is compatible with most helmets and has strong compatibility. It is suitable for Fast helmets, for MICH helmets, and for Wendy helmets.3. Suspension Material: The helmet dial suspension system chin strap is made of nylon material, making it comfortable to wear and sturdy and durable.4. Easy Installation and Good Craftsmanship: Equipped with 4 sets of fastening screws, adjustable dial suspension system chin strap is easy and convenient to install. Helmet dial suspension system chin strap, support knob adjustment, exquisite workmanship, portable size, and easy to use.5. Liner Material and Double Layer: This helmet pad is made of a special sponge pad, which is comfortable to wear for a long time. Upper buffer structure and bottom support structure make you feel soft and comfortable.6. Hook and Loop Fastener and Three Piece: : 24 hook and loop fasteners allow you to install the helmet padding kit as needed. Helmet pad is made of three pieces, easy to install and disassemble, can be quickly cleaned and dried, and easy to wear and tear down.7. Widely Used: The helmet series with special sponge pads is widely used in scooters, skateboards, bikes, and sports helmets.Specification:Item Type:Material: Nylon, SpongeWeight: Approx. 280g / 9.9oz.Package List:3 x Inside Liner1 x Suspension 4 x Screw 4 x Nut 24 x Sticker