This multifunctional waterproof bulletin board can be called an information display artifact, directly solving all your troubles. Selected wear-resistant matte aluminum material, comfortable to the touch, soft luster, and no damage to its appearance and durability during daily use. Paired with rubber sealing, it has excellent waterproof performance and can be perfectly adapted for indoor and outdoor use. Outdoor walls can also be easily controlled without fear of wind and rain erosion. The support components have been upgraded with 2 stable support frames, which can stably carry large-sized bulletin boards. The overall size is 26.8 x 20 in. and the display size reaches 23.4 x16.5 in. The display area is clear at a glance, and the screw accessories are complete, making installation worry free. Full of security and confidentiality, durable acrylic doors paired with lockable display cabinets, dual protection with2-keys, important information and confidential documents can be properly kept, preventing others from accessing or tampering with them at will. The internal textile soft wooden board is even more unique, sturdy and durable, with a self-healing function on the surface. It can be repeatedly fixed with a pin without leaving unsightly marks, and will not deform after long-term use, always maintaining its best condition. Material: Composite.