The Club HD SMB is a Surface Marker Buoy that floats on the surface to mark the location of the divers in a simplified format adapted for sports use and diving centers. Especially resistant as it is made of resin-coated nylon with an internal injection of heat-welded polyurethane and sewn with a reinforcement trim. Inflatable through the scuba regulator from the lower area. Rollable on itself without lining, for quick removal, and with double elastic band closure. Bottom with a lead ballast to maintain verticality. ABS carabiner for a fast attachment to scuba diving equipment. Dimensions: 120 cm | 47 1/4 in long, 15 cm | 5 7/8 in wide. The Club HD SMB is designed in Italy by Cressi and made in Spain. Cressi has been an Italian brand pioneer in scuba diving, snorkeling, and swimming equipment since 1946. The product is covered by a 2-year limited warranty.