1.factory direct sale stone letterbox 2.material: marble, sandstone, granite, limestone 3.size and style ... factory in Hui’an-Chongwu.1. Outdoor stone caving mailbox&letterbox Typeoutdoor carving granite mailbox&letterboxMaterialnatural granite or limestoneColorblack, yellow, grey ... come and cooperation. Customized and unique design stone mailbox & stone letterbox for garden and plaza