The sleek elegance of the Clear Sinsation is simple enough to not be intimidating but offers increased stimulation. The genious idea of this toy is for the shaft is be slender leading to a thicker girth. The smaller end has a medium sized ball of about 1 inch diameter with the other having a ball that is 1.5 inches in diameter. The shaft ranges from 3/4 inch to 1.5 inches in diameter. The entire toy is smooth and glossy in the crystal clear glass that is 7 inches in total length. Each RG Pyrex glass dildo is made from the highest quality Pyrex glass. Every piece goes under quality control testing to prove that RG is one of top rated glass sex toy manufacturers in the world. Made only in the USA.