Acrylic plastic represents a relatives of petroleum-based thermoplastics created from pure gas. It should be mentioned that acrylic is plastic; even so, not all plastic is acrylic—plastic is really a generic phrase for a big relatives of synthetic or semi-artificial materials. Posca, Sharpie, Artistro and Artiqo markers are some manufacturers https://www.dealerbaba.com/suppliers/others/displays-holders.html