Crystal Glass is 100% hygienically superior borosilicate glass. Annealed for safety and available is a variety of shapes and sizes. Suitable with all lubricants. Product Dimensions: 3.52 x 1.57 x 1.57 (Inches) Package Dimensions: 5 x 2.64 x 2.01 (Inches) Insertable Dimensions: 2.8 x 1.22 (Inches) Product Material: GLASS