.100 18X24 PLEXIGLASS 10 | Crystal clear, impact and weather-resistant, OPTIX is a continuously processed, high-quality acrylic sheet. High molecular weight makes OPTIX ideal for almost any type of fabrication or glazing, while special UV stabilization protects the sheet from yellowing. Backed by a 10 year limited warranty, OPTIX is available in a wide range of thicknesses and sizes.