Access panels are a commonly used building device that provide easy access to plumbing, electrical, HVAC or duct systems. Multi-use and they have concealed-hinge that open to plumbing valves, wiring or duct systems encased in the wall. EASY INSTALLATION: Installing drywall access panels is a quick, convenient DIY job, easy to handle. Access panel is reversible - can be flush mounted or surface mounted. SELF-CONTAINED access panel, requires no framing, screws, latches or fasteners. HIGH QUALITY MATERIAL: High-class quality ABS plastic, perfect design, light weight, but strong bearing capacity. Opening dimensions: 11.8x15.75 Inches; Outside dimensions: 12.52x16.46 Inches Provides easy access to a service area, whether wall or ceiling, for electrical, plumbing, wiring, security systems, telephone, TV, computer cables, or sprinkler system applications. We have 12 months warranty. If any questions, feel free to contact us.