Dive Rite Open Bottom Surface Marker Buoy (SMB), YellowUtilize this SMB to relay your position in the water to your dive buddy or dive boat, ensuring a safer and more enjoyable dive experience. This design can either be inflated orally, using your BC hose, or by purging a second stage regulator into the bottom of the SMB. Rolls up for compact storage. ANSI safety yellow. Made in the U. S. A. 28 lbs lift 57. 5 x 8. 5 in. (146. 1 x 21. 6 cm) Reflective tape on both sides for added visibility 300 D polyester