The Cortech Ventura Mirror is easy to install and highly resistant to breakage. The acrylic design gives the mirrors the look of glass, without having the same fragility and dangers. Designed for use in correctional facilities, behavioral health and mental health facilities, schools and universities, residential institutions, public safety facilities and any other intense use application where abuse or environmental conditions could result in broken mirrors. One piece, made from 100% virgin acrylic, with integral frame Easy to install Highly resistant to breakage The highest quality mirrored surface 236 nominal thickness Easy to install: comes with tamperproof fasteners (10 torx head screws with center pin reject ) and recessed mounting holes Sizes: 11"x 15", 15"x 20", 18"x 24" Manufactured to ISO Quality Standards in the USA About Cortech USA:Cortech USA (Correctional Technologies) manufactures products that are exceptionally durable, designed for use in compassionate and normative behavioral healthcare, corrections, law enforcement, heavy use commercial and industrial environments, parks and recreation, schools, universities, hospitals, emergency and homeless shelters, and other institutions and facilities where safety and durability matter. Cortech products are ideal for extreme use and intensive use environments.