Suitable Size: There are four different sizes of pet mattress. S: Suitable for pets weighing no more than 1.5. M: Suitable for pets weighing no more than 2.5. L: Suitable for pets under 12.5. XL is suitable for pets under 22.5. For more information, see the Size chart. ? Raised Edge Design: The raised edge has a sense of security and can support the animal’s head and neck, while the super soft filling can relieve joint and muscle pain. Non-slip pet mattresses are great for pets who want to curl up in a soft spot for safety. ? Non-Slip Design: The warm and soft rectangular nest makes your pet feel warm and secure. It can be used as a bed or even as a scratch protection on a sofa. The bottom of the cat bed is non-slip, so you don’t have to worry about the movement of the nest when the animals come in and out. ? Decorate The Bedroom: The cat bed is an ideal home for small pets and provides them with enough comfortable space to relax and sleep. Any color can be combined with any