This small bird box, featuring a 25mm entrance hole, is designed to provide a safe and comfortable home for common garden birds. It is constructed with a unique, innovative design utilizing a recycled LDPE plastic outer shell and a wooden internal nesting chamber. The box is robust, long-lasting, and suitable for various garden bird species, particularly smaller paridae species like Blue paridae, Coal paridae, and Marsh paridae. Mounting is made easy with three concealed mounting holes in the back and an additional hole at the base for stability. The dimensions are Height 26cm, Width 17cm, and Depth 17cm. The product is designed in the UK by professional ornithologists.