Emergency Inflatable Bag That Can Be Inserted Into A Damaged Chamber And Inflated To Keep The Tube In Its Proper Shape. This Is Designed As A Temporary Solution Only To A Damaged Air Chamber, The Bag Is Made In A Lightweight PU Material. It Does Not Have A Base Fabric, So When It Is Inside The Chamber It Can Be Inflated With a Standard Pump And Will Expand To Fill The Complete Air Chamber. Complete With C7 Inflation Valve.