KLEARSTAND 3 Pack 12 x 24 x.125 Black HDPE Sheets, Great for DIY Projects for Home and Marine Applications, Black Plastic Sheets, High Density Polyethylene Sheets, Made in USA. 4. Thirteen Chefs HDPE Sheet 48 x 24, White Polyethylene Grade, 0.5 Inch Thick. 4.7 out of 5 stars 37. $136.99 $ 136. 99. Promotion Available. Get it as soon as Tue ...