Recommended sizes and compatibility S: 45 x 45 x 38 cm for pets under 2.5 kg M: 51 x 51 x 43 cm for pets under 5 kg L: 58 x 58 x 47 cm for pets under 8 kg XL: 63 x 63 x 50 cm for pets under 12 kg Suitable for cats, puppies, and other pets Warm material and comfort Made from soft and warm materials that are skin friendly and safe for your cat The super soft padding relieves pain in your pet's muscles and joints Helps your pet sleep comfortably and warmly Unique design and protection Semiclosed cave house construction provides good wind protection Warmth circulates inside the pet house to keep it warm Ideal for cold winter months, helping pets stay warm without getting sick Igloolike appearance satisfies curiosity and adds a stylish touch Soft and secure resting space A cozy cat cave that provides a secure environment Encourages your pet to stretch lazily, rest well, and play happily Warm enough for pets in cold weather, delivering maximum comfort Equipped with a warm removable mattress to improve sleep quality Use scenarios Winter naps: Place in a living area for cats or small dogs to retreat to a warm, protected space during cold days. Denloving pets: Cats or puppies that prefer a cavelike, enclosed area will instinctively feel secure and comfortable. Sizespecific suitability: Choose the appropriate size (S, M, L, or XL) to ensure a proper fit for cats, puppies, or other small to medium pets.