His Masturbation Kit includes an ultra stretchy compact travel sized masturbator with ridged chamber and a heavy duty stroker with 3 inner suction chambers for explosive results. Also includes 3 sturdy stretchy all purpose rings. Made from Thermoplastic Rubber TPR. Large ring 1 inch. Medium ring .75 inch. Travel Masturbator 4.25 inches by 1.75 inches. Full Size Masturbator 5 inches by 3 inches.