Adam Male Toys Persuade TPR Stroker (Blue)The Persuade TPR Stroker is a soft TPR stroker with a wide opening and tight tunnel. The nubbed spiral tunnel grips and releases with every stroke, while the external ridges provide an easy to grip design. Waterproof and open ended for easy to clean, wet, fun!TPR. Waterproof. Phthalates Free. Length: 5.25 inches. Width: 2.5 inches.