National Geographic Snorkeler "Experience" Series * Silicone mouthpiece for comfort with Purge * "Pinch & Lock Snorkel Tab; Easy to mount and Secure * Wide Breathing tube for easy air displacement / Semi - Dry Splash Guard * National Geographic Snorkeler products are guaranteed against manufacturers defects. With proper care and storage of your snorkeling equipment you will be able to enjoy your snorkeling equipment for a very long time.