4mm thick and pre-drilled for wall fixing. Prices include all necessary wall fittings. Additional carriage charges apply. Please contact ESPO on 0116 294 4100 for more information. WALL MIRRORS For additional safety in schools, senior citizen and impaired ability residences, a safety film backing is applied to all glass mirrors assisting them to stay in one piece if broken. Acrylic mirrors are ideal for use when a safety mirror is required. Do not use abrasives when cleaning.