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The Sinclair Institute Select Crystal G is one of our most beautiful glass sex toys – and one of the most exciting! This sculptural, etched curve of shatterproof glass is perfectly designed to hit your G-spot for mind-blowing orgasms. No wonder the Sinclair Institute Select Crystal G is a customer favorite. Made of 100% borosilicate glass. Features a delicate green etched leaf design and angled G-spot tip. It is compatible with all lubricants. Being made of glass, it makes it ultra-hygienic and easy to clean. Dimensions: 6 inches by 1.25 inches.