This plastic shive bung easily inserts into the shive on the side of your cask. * Itâ€TMs made of strong, durable plastic and itâ€TMs easy to install and use in your real ale cask. * Just pop it into the shive during transport and then replace it with a hard or soft spile to vent the gas and prepare your cask ale for consumption.

• Made of plastic.
• Fits into shive on side of cask.
• Makes transport of casks easier and less messy.

Made of plastic.UK BREWING