Usage Tips:1.Self adhesive dots , sponge, protects your head well when you are cycling or doing other strenuous exercises. Suitable for style helmets. Design attach to the helmet inside.(3 Pcs Helmet Pads with 18 adhesive dots).2.Made of breathable sponge, soft and comfortable, Make your helmet clean and comfortable, easy to wash and durable, quick drying, breathable.Provides maximum comfort and stability.3.Bicycle Replacement Universal Foam Pads with sponge,sticky Hook&Loop circles and several shapes offers many options for inserting devices around it, and still have room for some airflow.4.Used to replace the worn out or missing pads in your helmets. Easy to install and dismantle, can be replaced regularly. Just remove the sticky, just put on the helmet Pads.5.Applicable to any helmet, suitable for DIY helmet, ,let you wear the helmet more comfortably. for Bike Helmets, , kid's helmet, adult helmet etc.Weight: about 15gModel: SK-202Suitable for 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.