BuckleSafe helps prevent the unintentional release of the seat belt buckle for a child in a baby car seat / child restraint. One of the biggest problems when travelling with babies & young children is the accidental undoing of seat belts. Either by children or adults without knowing. BuckleSafe has been designed to prevent the accidental or deliberate release of safety belt buckles. Bucklesafe is a must have for any parent with a non isofix baby car seat / child restraint in their vehicle.