This is the Sherwood Suri Snorkel With Silicone Mouth Piece & Large Reservoir Features: The 100% liquid silicone mouthpiece Flex tube ensure comfort in every situation Snorkel keeper The Suri Snorkel is a cost effective straight tube snorkel that maintains a large reservoir ensuring that any minor splashing and waves that may find their way into the snorkel will not impede the breathing experience.