INCLUDED - 2x Seat Buckle Guards, 4x Release Keys & Instructions SIZE- The seat belt buckle guard from Howsehold has been designed to be slightly bigger than your standard belt buckles in cars, this is so the buckle card is a universal fit. USE - How many trips have you had to check and then double check if your passenger is securely buckled up? The buckle guard prevents passengers unbuckling themselves. NOT HAPPY? - If you aren't happy with the belt buckle guard, we offer instant no quibble returns.