
1) Ancient pottery 2) Plastic brand
Found on
https://www.crosswordclues.com/clue/coroplast

Coroplast is a brand name of corrugated plastic and a registered trademark of Coroplast, Inc., a member of the Jim Pattison Group of companies. Because of the success of this brand, it has become a generically used tradename and many people in North America today refer to all corrugated plastic as `coroplast`. A similar product is marketed in Au.....
Found on
http://en.wikipedia.org/wiki/Coroplast
No exact match found.