Feature:1. Compatibility: The helmet dial suspension system chin strap is compatible with most helmets and has strong compatibility. Suitable for Fast helmet, for MICH helmet and for Wendy helmet, for ACH, for FMA, for EXF helmet.2. Comfortable: This helmet pads is made of special sponge cushion, helmet dial suspension system chin strap made of nylon, comfortable for long time wearing, knob adjustment, easy to use.3. Double Layer Design: Upper cushioning structure, bottom support structure. Make you feel soft and comfortable.4. 24 Hook And Loop Stickers: There are 24 hook and loop stickers delivered, which you can install the liner system as needed. Comes with 4 sets of fastening screws to adjust chin strap.5. 3 Piece Design Padding: Made of 3 piece, easy to install and remove. Washable and dry quickly. Easy to wear and remove.6. Widely Used: The helmet series with special sponge cushion are used widely nearly in scooter, skateboard, cycling and sport helmets.Specification:Item Type: Helmet Dial Suspension System Chin Strap Material: Nylon, SpongeWeight: Approx. 294g / 10.4oz.Package List:13 x Pads1 x Suspension System Chin Strap 4 x Screw 4 x Nut 24 x Hook And Loop Fasteners