Main Squeeze The Virgin Insert Replacement Sleeve. Make every time feel like the first time. This Ultraskyn insert for use in Doc Johnson’s Main Squeeze: The Virgin hard case masturbator features the same extra-tight interior and realistic breaking hymen included with the full product. Main Squeeze is designed to put the power in your hands, featuring several unique shapes and interior textures, a squeezable grip that lets users vary the tightness of each stroke, and a suction adjusting end cap. Features an extra tight realistic hymen. Made using body safe, phthalate free materials: Thermoplastic Elastomers TPE Sleeve, ABS plastic case. Specifications: 7.5 inches in total length, 7.5 inches insertion length by 3 inches in width. Circumference 9.5 inches. Bulk weight 1 pound.