Groupon offers this K&H Pet Products Self-Warming Pet Bed in Gray (pictured) or Mocha for $19 with free shipping. That's the lowest total price we could find for this bed by $5. Sales tax is added where applicable. This 16" x 20" bed features a layer of metalized insulation that collects and radiates your pet's body heat to create a warming effect without electricity. Deal ends February 19.