ProperPet.com

Thermo-Crinkle Sack combines your cat's two favorite elements: crackly paper and warm hiding spots. The built-in noisy walls create the irresistible sound of a grocery bag, enticing your cat to play time. The cozy ";cave"; design and soft heated floor make it an attractive place for a cat nap. The energy efficient 4 watt heater can be removed for year round fun and comfort. The plush cover is machine washable. 1 year limited warranty. UL listed.