Black on White Laserable Plastic: Delvie's Plastics Inc.
White on Blue Laserable Acrylic Sheet – Inventables, Inc.
TroLase Reverse | transparent acrylic for reverse engraving
Amazon.com: (2 Pack) 1/8" Thick Clear Acrylic Sheets - 24" x 36" Pre-Cut Plexiglass Sheets for Craft Projects, Signs, Sneeze Guard, and More - Cut with Laser, Power Saw, or Hand Tools :
Glowforge Laserable Acrylic Sheets - Etsy
Laser Cutting Acrylic: The Complete Guide - Wee Tect
Brushed Gold on Black Laserable Acrylic Sheet – Inventables, Inc.
Matte/Non Glare Acrylic Sheet: Delvie's Plastics Inc.
Amazon.com: Nezyo 6 Pcs Black Acrylic Sheets 16 x 12 Inch 1/8 Inch Thick Acrylic Sheet Black Acrylic Panel Boards DIY Materials for Craft Cutting Laser Home Decor Painting Photography Switch Panel
Grey on White Laserable Acrylic Sheet – Inventables, Inc.
Amazon.com: Trotec TroLase | Laser Engraving Double Color Plastic Sheet | 12" x 12" x 1/8", 8 Pcs | Black/White | 2 Ply | Modified Acrylic | Engraving Blanks for Laser, Saw,