Stop problem barking, chewing, and anxiety in your dog the natural way. ThunderShirt's patented design applies a gentle, constant pressure that has a dramatic calming effect. Using pressure to relieve anxiety in people and animals has been a common practice for years such as swaddling infants and the use of gentle pressure and weighted vests to help people with autism.

• Over 80% effective
• Veterinarian recommended
• Great for fireworks, storms, separation anxiety, travel and more
• No training required
• Completely drug-free