The raised rim creates a sense of security and provides head and neck support, while the super-soft filling offers joint and muscle pain relief.Name: Pet Four Seasons Kennel(2 In 1)Material: cotton,Specifications: S, MColor: yellow,Size:S: L40xW31xH31cm,M: L50xW36xH40cm,Note: 1.Transition: 1cm = 10mm = 0.39inchNote:1.Please allow 1-3mm differs due to manual measurement.2.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.3.If you find any problems with our products, please feel free to contact us by email and we will resolve the problem as soon as possible.4.Welcome your sharing and feedback so that we can provide you with better products and services.