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.