PRIMECO ABS Plastic 0.236-in T x 24-in W x 48-in L Black Plastic Sheet in the Polycarbonate & Acrylic Sheets department at Lowes.com
3/16" x 48" x 96" Black ABS Sheet | U.S. Plastic Corp.
Customized ABS Plastic Sheet for Thermoforming Application - China ABS Sheet, Plastic ABS Sheet | Made-in-China.com
Amazon.com: ABS Textured Plastic Sheet 1/8 Thick x 12 x 24 : Industrial & Scientific
Amazon.com: 5 Pack 12x12x.062 ABS Plastic Sheets, Moldable Plastic Sheets, Great for DIY Projects, High Tensile and Impact Strength Plastic, Made in USA : Industrial & Scientific