EZDIVE Hi-Viz 6.5" Wide Scuba Diving Surface Marker Buoy (SMB) Safety Sausage ,Durable 400 Denier Polyurethane Coated Nylon Binding Taped,Orange Open bottom for regulator fill,easily inflated at depth Light weight 0.46 Lb, 6.5 inch wide 55 inch tall Comes with reflector marking for night diving Handle on top for name slate or light stick when night diving Durable 400 denier polyurethane coated nylon material, binding taped