Here are a couple of tips when using it.

It costs £6 but you get that back as a flight voucher.

The card requires a minimum top-up of £150

Using it abroad as it adds a 5.75% foreign loading charge, double a typical debit card.

If you don't use it for 6 months there's a £2.50/mth inactivity fee.

There is a £2 charge for ATM withdrawals.