Crystal Glass is 100% hygienically superior borosilicate glass. Annealed for safety and available in a variety of shapes and sizes. Suitable with all lubricants.Product Dimensions: 3.31 X 1.22 X 1.22 in.Package Dimensions: 6.3 X 2.44 X 1.65 in.Insertable Dimensions: 2.95 X 0.91 in.