Mares Underwater Slate Lanyards The Mares XR SMB is

The Mares XR SMB is a completely closed cell SMB that is available in either Orange for general and positional use or Yellow to signify emergencies

The Rover 15X incorporates the all-new ACT valve coating

Hypoallergenic Crystal Silicone Swivel and Mouthpiece

No latex allergy

Facial characteristics and shape are unique to every person and traditional masks can therefore cause discomfort underwater

Mares Underwater Slate Lanyards The Mares XR SMB isMares Underwater Slate and Pencil with quick disconnect clip ideal for note making either underwater or in wet conditions where paper just won't do the job. Complete with a pencil attached on an rubber tube cord. Also features a quick release snaplock retainer ideal to attach to your bcd when not in use. Durable shatterproof plastic slate. Excellent size for the odd chat underwater noting down dive details or even all the fishy encounters you have.