Item: Corr. Plastic Sheets,13″ x 7″,Nat,PK600 Country of Origin (subject to change): United States These 13 x 7″ Natural Corrugated Plastic Sheets are great for hobby, craft, construction applications, and signage. Stronger than cardboard, these sheets are waterproof and made of Polypropylene. Sheets are 4mm (.16 inch) thick.
CROWNHILL PACKAGING INC Corrugated Plastic Sheets, 13 x 7″, Natural, 4mm thick