Economical Kraft Crimped End Tubes seal by pinching the ends. Tubes are fast and easy to close and stay closed – no need for tape; Ends open easily allowing them to be reused; Tubes are also recyclable; Sizes listed are the usable inside space of the tube. Actual tube lengths are longer; Tubes are 3-ply, spiral wound. This product is equivalent to part number: S-634. Sold in a quantity of 50 per case.