PHITWO Designed for both solo and shared fun, PHITWO slips in delicious surprises with its lascivious weight and smooth duo-sphere made with medical grade stainless steel. It is an invitation for deep exploration into your sensuality. MATERIALS PHITWO was developed to be made in Medical Grade Stainless Steel 316, but it could be made of Glass or Stone. DESIGN PHITWO is a patented design by Christian Laudet, 4 times Red Dot Design Award Winner.