• The K&H Thermo-Pet Lounge Sleeper is available in 2 sizes: Small 4 watt bed measuring 20.5" x 19.5" x 6.5" is recommended for pets up to 20 pounds; or Medium 7 watt bed measuring 30.5" x 24.5" x 9" is recommended for pets up to 40 pounds
  
• The removable dog heating pad is thermostatically controlled to warm to your pet's normal body temperature only when in use by your pet; we set the safest temperature so you don't have to
  
• This heated bed features a non-slip bottom and is easy to care for, simply remove the heating pad and toss the plush dog bed into the washing machine for easy cleaning
  
• The soft and fluffy bolster surrounds your cat or dog in premium heated comfort; it's so warm and cozy that it is like wearing a dog sweater for your pet, but in a heated pet bed
  
• This pet bed has been tested & certified by MET Labs and exceeds UL USA/CA electrical safety standards; we safety certify the entire product for maximum safety - For indoor household use with 110/120 volt electrical current only