swimming caps are made of special elasticated plastic i know this because i am a competitive swimmer myself the hats if you put it over your ears as well as your head makes you go faster hope this if what your are looking for :)
Ice caps are made out of Carbon Dioxide on Mars.
The caps on plastic 2-liter bottles of soda and bottles of water are made of plastic. Other bottle caps are made of steel, and some are made from aluminum lined with polyethylene.
Wheel center caps are generally made of aluminum or chrome plastic.
depends on if it is roll caps made of paper or plastic caps they all have different amounts.
it is made out of water and air.
The ice caps are made of freshwater.
Straw
Straw
Zinc or pot metal
No international caps. He only made 130 club appearances.
Swim Caps are mostly made from silicone
Peroxide