Achy Paws Pet Mat Bamboo Charcoal Technology for Natural Relief Helps Ease Joint Discomfort for Older Dogs & Cats Natural Warmth Increases Blood Circulation, Eases Joint Discomfort, Relieves Stress, Lowers Anxiety, Calms Restlessness, & Better Sleep Bamboo Charcoal absorbs Odor, Moisture, & Harmful Toxins Soft & Durable, Triple-Layered Fabric, Machine Washable