Product - 5253 Arrests development of bacteria, mold and mildew while removing wet and sweat from gear Patented Peet DryPorts circulate air for thorough drying Safe for neoprene, rubber, canvas and all types of materials Includes two pairs of 12 inch Peet AirChamber extensions Made in the USA Weight: Approximately 4.3 poundsShipping Dimensions: Approximately 19 x 11 x 5 inches.