Aluminum & MDF hard case. Suitable for CRS500, CRS500A, CRS500D, and CRS500C premium roll up banner stands. CGH85 outside dimension is 10.5″ x 35.5″ x 5″ and inside dimension is 9.625″ x 34.75″ x 3.5″. CGH92 outside dimension is 10.5″ x 38.5″ x 5″ and inside dimension is 9.625″ x 37.75″ x 3.5″. CGH100 outside dimension is 10.5″ x 41.5″ x 5″ and inside dimension is 9.625″ x 40.75″ x 3.5″.