We shall have no liability for defects arising from fair wear and tear, negligence, misuse, alteration to or wilful damage of the items. Your Assurance Once on the SagePay system, all sensitive data is secured using the same internationally recognised 256-bit encryption standards used by, among others, the US Government. The encryption keys are held on state-of-the-art, tamper proof systems in the same family as those used to secure VeriSign's Global Root certificate, making them all but impossible to extract. The data they hold is extremely secure and they are regularly audited by the banks and banking authorities to ensure it remains so. Private network links to banks Find “the one that you want” from our list of Grease costumes — all inspired by outfits from the iconic 1978 film, starring John Travolta as Danny Zuko and Olivia Newton-John as Sandy Olsson. There are costumes for adults, kids, toddlers, and infants, with both easy DIY costume ideas and Grease costumes you can buy online. We advise that you use Royal Mail’s Signed For delivery service or Special Delivery service if the item is valuable. We advise that you use Royal Mail's signed for delivery service or Special Delivery service if the item is valuable.