Our tubular or pre strung poly bags come in 12.5, 25 and 50 foot lengths (or up to 200 ft) and about 5 ft diameter. They feature daisy chain stitched pull cord that has virtually zero resistance from beginning to end of pulling it. Never gets stuck. Sturdy and reliable favorite for many balloon pros. Ideal for filling ahead of time and transporting in the bag. See similar bag balloon release but tube bag version, not pre-strung.