Polymers are both synthetic and naturally occurring macromolecules. They are chemical compounds with smaller molecular units or monomers bonded together through covalent interactions in long, repeating chains.
Because of their complex structure and the nature of their molecular building units, polymers have unique properties that can be tailored for different uses.
Polymers are found in common household goods, in clothing and toys, in construction materials and insulators, and in a number of other products.