Physical Dimensions: Diam. of hoop: 48.5 cm (19-1/16 in.); H. to top of hoop: 27.2 cm (12-11/16 in.) Additional measurements by Ben Harms: H.: 27.9 cm (11 in.); inner Diam.: 44.1 cm (17-3/8 in.); outer Diam.: 46.4 cm (18-1/4 in.); lip folded: .95 cm (3/8 in.); flesh hoop: ;W. .32-.48 cm (1/8-3/16 in.), H. 1.27 cm (1/2 in.)