These oval-shaped hollow-center silicone plugs are flexible at the head and stem for easy entry with their unique 'hole punch' design. Powered by a robust vibrating bullet that tucks into each base seamlessly, choose from 3 sizes, each anchored by a wide safety base. 10 vibrating speeds and patterns Made from phthalate and latex-free liquid silicone and ABS Removeable vibrating bullet USB rechargeable, cable included Wide safety base Waterproof Small Dimensions: Length: 4.06"; Depth: 2.57"; Width: 1.17"; Insertable Length: 3.5"; Insertable Diameter: 1.49" Medium Dimensions: Length: 4.33"; Depth: 2.57"; Width: 1.33"; Insertable Length: 3.75"; Insertable Diameter: 1.69" Large Dimensions: Length: 4.55"; Depth: 2.57"; Width: 1.48"; Insertable Length: 4.0"; Insertable Diameter: 1.89"