Colours plugs are made of satin smooth. platinum silicone. Suction Cup Base. Available in assorted sizes. Suitable with all lubricants. Show your colors.Product Dimensions: 3.54 x 1.81 x 1.81 in.Package Dimensions: 6.5 x 2.8 x 2.05 in.Insertable Dimensions: 2.76 X 0.98 in.