Piper Doll makes adult sex dolls well known for its seamless neck design. Their sex dolls are available in a heavy full-size human height or a scaled down version of their larger models for people with back problems and affordability. The brand's founder, Mizuwali, designed their entire line with a seamless neck - making them the first to market and the most dominant in their industry to feature this very unique sex doll feature. Because of this, Piper Doll is a favorite brand among doll enthusiasts. Made with platinum medical-grade TPE or Silicone, Piper Doll produces premium-grade skin materials that are completely odorless, and is recognized as the softest TPE & Silicone in the market.