Clothes
Buttons are usually made out of plastic or older ones were made out of wood.
They made buttons first.
well it really depends, what the zips/buttons are made of and the size
With your hands. IMPROVEMENT: hehe made me laugh. Umm here's how: you get a life, and quit being a hobo!
I think there made from rubber.
Buttons
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They are made of Silicone rubber.
Room for improvement-means it can be realistically improved (made better)
Plastic and rubber.
Plastic or cloth
Plastic.