The Dominant Submissive Collection from Nasstoys is for both him and her. The kit comes with 2 butt plugs and a blindfold. The butt plugs can be used as a g-spot or prostate massager. Waterproof and phthalates free. Made of silicone. Blindfold material: PVC and elastic. Butt plug 1 length and diameter: 3.5, butt plug 2 length and diameter: 4.125.