Stay safe when diving with this highly visible diver indicator buoy, which features a rugged outer cover, quick connector D-rings and a high visibility flag. Drag point optimized to increase glide over water.Spherical Shape is drag point optimized to increase glide on waterMaterials: Rugged outer nylon cover; durable PVC inner air cellHigh visibility traditional red and White "diver-down" flagFlag Dimensions: 12 3/8"L x 12 3/8"WQuick connector D-rings for accessory attachmentsRemovable flag poleZippered closure opening for air removal and easy cleaningEasily inflated with standard air mattress pop out ValveTwo year limited warranty