Source PP Plastic Corrugated Alveolar Sheet on m.alibaba.com
White Coroplast Sheets for Signs & Graphics: Durable & Customizable Solutions | Kgsupplies.com
Fluted Polypropylene Sheet
Corrugated Plastic Sheets, 60 x 80", White for $62.61 Online | The Packaging Company
Buy White 4mm Corrugated Plastic Mounting Board 48" x 96" - 10pk at $424.99 (CW4896)
Amazon.com : Corrugated Plastic Sheet for Indoor and Outdoor Use - 3/16 Inch Thick Poster Board, 24x36 Inches - Pack of 2 Black Plastic Board Sheets - Waterproof Coroplast Sheets and Lightweight
Amazon.com : Corrugated Plastic Sheet for Indoor and Outdoor Use - 4 Mm Thick Poster Board, 24x36 Inches - Pack of 2 White Plastic Board Sheets - Waterproof Coroplast Sheets and Lightweight
Amazon.com : Corrugated Plastic Sheet for Indoor and Outdoor Use - 3/16 Inch Thick Poster Board, 24x36 Inches - Pack of 5 White Plastic Board Sheets - Waterproof Coroplast Sheets and Lightweight
Coroplast Plastic cardboard 0.157-in T x 24-in W x 36-in L Black Corrugated Plastic Sheet in the Polycarbonate & Acrylic Sheets department at Lowes.com