1 1/8" diameter entrance hole Durable Recycled Poly Lumber construction that won't crack, split or fade. Birds that would use this house: wrens, chickadees and warblers Stainless steel cables and deck screws Made in the USA These beautiful poly lumber wren houses are perfectly designed to provide protection, comfort, and safety for its inhabitants. The poly lumber design ensures that this house will last for years, while also being environmentally friendly because of its recycled materials. In addition, the stainless steel screws and a sheathed metal cable hanger will keep this wren house hanging. Dimensions are 6.5"W x 9"H x 6.25"D The design reflects the needs of the wrens that will be living in it. The 1 1/8" hole is the perfect size to allow wrens access, while also preventing