Sanger Contour Covered 2 Litre Hot Water Bottle in Red. This one-piece moulded rubber 2-litre hot water bottle features a washable and removable fleece cover. It conforms to British safety standards and is made from rubber tree milk sap, a renewable and plasticiser-free source. Standard UK delivery is via Royal Mail 48 for items under 2kg, with estimated delivery times of 3-5 working days. Postage upgrades are available at checkout. For items over 2kg, a courier service is used for delivery within 24 or 48 hours to mainland UK. Delivery to non-mainland UK addresses may take longer.