Small Plug:Length: 5.4 cmDiameter: 2.4 cmInsertable length: 5.2 cm Weight: 19 grMedium Plug:Length: 6.8 cmDiameter: 3.2 cmInsertable length: 6.6 cmWeight: 37 grLarge Plug:Length: 8.5 cmDiameter: 4 cm (1)