The cover is for use with a different heater and is not included. There are a few chew marks on the socket part of the cord. I don't think it affects the use. (See photo 5) Please refrain from purchasing if you are concerned. Before listing, I will thoroughly disinfect it with alcohol before packing. A pet mat that can be washed with water and maintains a maximum temperature of 38 degrees Celsius. Warms to the core with far infrared rays. - Size: M - Maximum temperature: 38 degrees Celsius - Washable: Yes - Weight: 2.6kg - Dimensions: 360 x 250 x 30 Thank you for viewing.