PayPal is an online payment method that allows buyers and sellers to safely send and receive money.
PayPal store your payment details safely, meaning that you can pay by simply logging into your PayPal account. PayPal keeps your financial information totally private, which means it isn't shared with anyone else when you shop, including the business you are purchasing from.
PayPal also offer a Buyer Protection program meaning that you can have them follow up on your behalf if there is an issue with the order.
You can sign up for a PayPal account here.