To buy & for more info: http://www.scuba.com/scuba-gear-117/030750/XS-Scuba-Safety-Sausage–SMB.html
This demonstration video discusses and shows the features of the XS Scuba Safety Sausage (SMB). The XS Scuba Safety Sausage is s surface signal device. It is bright hi-viz orange for easy visibility. The SMB measures over 6 feet long! (75 inches) with a 9 inch circumference for highest visibility. It´s inflatable with amouthpiece and easily attachable with a snap clip. Comes with a free compact mesh carry bag.
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