You can buy acrylic sheets (often called plexiglass) from large home improvement retailers, specialized online plastic suppliers, or craft stores . Your choice should depend on whether you need standard sizes immediately or custom cuts and specialty colors.

: A good local option for smaller DIY projects and standard replacement glass.

These retailers are best for standard clear sheets in common sizes (e.g., 18" x 24" or 24" x 48") that you can pick up today.

: Carries various thicknesses and sizes, including brands like AmeriLux . Specialized Online Plastic Suppliers

For professional-grade projects, custom dimensions, or specialty finishes like mirror, matte, or neon colors, specialized suppliers are more reliable than big-box stores. Acrylic Plastic Sheets (Cut-to-Size Plexiglass)