This hanging sign holder can be used on fixtures or doors up to 1.63" thick. The clear acrylic is easy to maintain and allows signage to always be visible. Use this hanging sign holder for restroom stalls when out of service or hang from produce bins, fixtures or cases. Holds inserts 11" x 8 1/2" (L x H). The hanging sign holder overall dimensions of 11"L x 9"H x 1 7/8"W.