Just by hanging it on the cushion bed you have, you can experience the warmth of terahertz far-infrared rays. The round patterned cover adds an accent to the room and wraps your dog or cat. The M size is ideal for small~medium-sized dogs and cats, and provides comfortable warmth even while sleeping. It's easy to wash because you just put it on the cushion, and even if it gets dirty, you can remove it immediately to keep it clean. To give your adorable pet a comfortable night's sleep during the change of seasons and cold days, why not give the gift of terahertz far-infrared warmth? By seeing your pet happy, you will be able to feel comfortable and healed.