How it Works: The thermo-reflective fibres warm your pets core by retaining their body heat. Wool: Made with soft faux lambswool for maximum cosiness. Size: 64cm x 46cm. Warm: An effective way to keep your dog or cat warm during Winter! Can also help ease pain in arthritic pets. Pet Bed: Get a self-heating pet bed for your furry friend. Colour: In a simple yet stunning ivory colour that will blend seamlessly into any home. Self-Heating Pet Beds | Living Social | Living Social