OPTIX 0.08-in T x 28-in W x 30-in L Clear Acrylic Sheet in the Polycarbonate & Acrylic Sheets department at Lowes.com
White Polycarbonate & Acrylic Sheets at Lowes.com
Amazon.com: 3 Pack 12" x 12" x .12" White Acrylic Sheet, Plexiglass Sheets, Highly Versatile, Light Weight and High Impact Strength, White Plastic Sheets Made in USA : Industrial & Scientific
Amazon.com: Acrylic Plexiglass White Translucent Plastic Sheet 0.125” - 1/8" x 24" x 48” Color #2447 : Industrial & Scientific