Matted 11x11 Frame

This high-quality lockable felt bulletin board integrates safety, durability and multi-functional display requirements. It features aluminum alloy frame with silicone rubber sealing ring effectively prevents moisture, dust and temperature changes. Even in humid or dusty environments, it can protect your notices, posters and photos from becoming blurry. The inner side uses high-quality felt as the base, with a smooth and fine surface, making it convenient to fix documents with thumbtacks or magnets, without leaving any marks.