Made of highest quality polyurethane and silicone compounds.Elliptical barrel for less drag when snorkeling.Rotating silicone mouthpiece for prolonged comfort.Quickconnect mask clip.Available in Blue, White, Pink, Red, and Yellow. Color options: White, Pink, Yellow, Blue, and RedContoured tube: YesAnatomic mouthpiece: YesRotating mouthpiece: YesQuick clip: Quickconnect clipSplash guard: YesLarge bore tube: YesPurge valve: Yes