1.Self adhesive dots , sponge, protects your head well when you are cycling or doing other strenuous exercises. compatibleable compatible style helmets. Design attach to the helmet inside.(3 Pcs Helmet Pads with 18 adhesive dots).2.Made of breathable sponge, soft and comcompatibletable, Make your helmet clean and comcompatibletable, easy to wash and durable, quick drying, breathable.Provides maximum comcompatiblet and stability.3.Bicycle compatiblement Universal Foam Pads with sponge,sticky Hook&Loop circles and several shapes offers many options compatible inserting devices around it, and still have room compatible some airflow.4.Used to compatible the worn out or missing pads in your helmets. Easy to install and dismantle, can be compatibled regularly. Just remove the sticky, just put on the helmet Pads.5.Applicable to any helmet, compatibleable compatible DIY helmet, ,let you wear the helmet more comcompatibletably. compatible Bike Helmets, , kid's helmet, adult helmet etc.Weight: about 15gModel: SK-202compatibleable compatible the crowd: adults/childrencolour:blackmaterial:spongePackage Contents:1 set x helmet lining setOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.