SPECS: Size: 19mm-21mm (approximately 3/4") DESIGN & DETAILS: Make juicier, more tender sausage with LEM's pre-tubed casings Casings come in a salted brine on a straw Casings will need to be soaked for 30 minutes and flushed To use, simply put the tube/straw over the stuffing tube and hold the casing back and pull out the straw Makes it much easier than trying to find the end or deal with knots Casings should last a year