features: <br> <br> 1. The calming cat/dog collar is specially designed for stressed, anxious or aggressive cats/dogs. <br> <br> 2. INGREDIENT SAFETY AND EFFECTIVENESS - The Calming Cat Collar contains lavender essential oil to relax cats. Natural ingredients are safe for humans and pets. The collar will start working within 1 hour of wearing. <br> <br> 3. LONG LASTING EFFECT - This calming collar for cats will continuously release pheromones for up to 60 days without side effects, effectively preventing cats from exhibiting bad behavior or aggression due to anxiety. <br> <br> 4. Comfortable to wear - The cat calming collar is made of high quality TPR material, the maximum size can be adjusted up to 15 inches/38cm, suitable for most cats. Good water resistance allows cats to wear it in the bath, and the soft and elastic texture makes it comfortable for cats to wear. <br> <br> 5. Multiple Occasion Use - When your cat experiences thunderstorms, is separated from its owner, travels, is in a noisy environment, or any other situation that may stress it out, wearing the ring can calm it down and prevent excessive meowing Yelling, urinating, or screaming. Scratch furniture. <br> <br> Specification: <br> <br> Material: TPE <br> <br> Color: Purple <br> <br> size:Cat: length 38cm*width 1cm <br> <br> Dog: length 62cm*width 1.3cm <br> <br> Package includes:Cat/dog calming collar*1 set