Benefits: Completely safe and comfortable for dogs. Very easy to use. Over 80% success rate. Available in 7 sizes. How It Works With its patent-pending design, Thundershirt's gentle, constant pressure has a dramatic calming effect for most dogs if they are anxious, fearful or over-excited. Based on surveys completed by over two thousand customers, over 80% of dogs show significant improvement in symptoms when using Thundershirt. Thundershirt is already helping tens of thousands of dogs around the world, and is recommended by thousands of veterinarians and dog trainers. As for WHY Thundershirt's gentle pressure works to calm a dog, experts such as Dr. Temple Grandin believe that pressure has a calming effect on the nervous system. Using pressure to relieve anxiety has been a common practice for years. How To Use Thundershirt Thundershirt is an excellent treatment for most types of dog anxiety and fear issues. For many anxieties, we recommend just putting on a Thundershirt and observing the results No training!. You very well may see significant improvement for noise, crate, travel, barking and others with absolutely no training. For more complicated anxiety cases, we recommend using Thundershirt as part of a behavior modification program. One thing is for certain, for a very large percentage of dogs, Thundershirt's gentle, constant pressure has a terrific calming effect. This has obvious benefits for most types of anxiety. But Thundershirt is also a very useful tool for managing excitability or hyperactivity with strangers, on the leash, or in a training environment. Thundershirt's calming effect helps a dog to focus or refocus her energies in a more constructive direction, allowing training to be more effective. For how best to use Thundershirt for various issues.Visitthe manufacturersnew Thundershirt TrainingCenter at: http://www.thundershirt.com/HowItWorks/ ,to learn more about how trainers are using Thundershirts with their clients. What size is right for my dog? Size Chest Size Weight XXS 9-13.5 < 7 lbs. XS 13-18 8-14 lbs. S 16-23 15-25 lbs. M 18-26 26-40 lbs. L 24-32 41-64 lbs. XL 31-40 65-110 lbs. XXL 38-50 > 110 lbs. Measure Chest Size as illustrated by red arrow below Thundershirt comes in seven different sizes: XXL, XL, L, M, S, XS, and XXS. See the table to find the right size for your dog. Like people, dogs come in many different shapes and sizes, so if your dog has unusual proportions, you may need to go up or down a size versus the standard measurements. But the Thundershirt is designed to be very adjustable to accommodate different dog shapes and still be easy to put on.Frequently Asked Questions:[we reference the manufacturers website]Why doesn't my vet know about this remedy for anxiety and fear issues? Good question! With millions of dogs suffering from anxiety, it amazes us that such an easy to use, inexpensive solution like Thundershirt isn't more widely known and used. Thundershirt is working to change that we have launched an outreach campaign for veterinarians. What training is required for using Thundershirt for anxiety and fear issues? For many types of anixety….. none! Just put Thundershirt onto your dog and you will likely see results with the very first usage. However, for some dogs, it may take two to three usages to see results. For some more serious anxiety cases, such as severe separation anxiety, you should consult a good trainer for how to integrate Thundershirt into a training program. What if Thundershirt isn't working for my dog? Thundershirt is a terrific solution for most dogs suffering from anxiety. Many owners see reductions or complete elimination of symptoms with the very first use. With others, it may take two or three usages of Thundershirt to see results.If for any reason Thundershirt isn't the right solution for your dog, return it within 45 days for a full refund of your purchase price less S&H. See below for detailed return or exchange instructions. Can I wash and dry Thundershirt? Remove hair from fastener hooks? Thundershirt is made with durable, washable fabric. When necessary, Thundershirt may be washed in a regular cycle using regular laundry detergent and cold water. Hang to dry. If necessary, to remove dog hair from your Thundershirt's fastener hooks, we recommend using a standard dog slicker brush [available at most any pet store for as little as $2.99]. A couple of strokes and the fastener hooks will be nearly completely hair-free. How long can I leave a Thundershirt on my dog? Thundershirt is designed to be safe to leave on your dog for extended periods of time when appropriate for the situation or issue that you are addressing. Thundershirt is made out of light-weight, breathable fabric, so over-heating is very rarely an issue. When properly sized and properly put on with a comfortably snug fit, your dog should be very comfortable for extended periods. It is typically safe to leave a dog unsupervised while wearing a Thundershirt. If you will be allowing your dog to wear a Thundershirt for extended periods e.g. over 2 hours, during the initial periods, we do recommend removing the Thundershirt frequently to check for any signs of irritation points. Irritation points are very rare, but best to be cautious. How do I put Thundershirt onto my dog? We designed Thundershirt to be very easy to put on your dog, even if she is already in a state of anxiety.Clickon the following link: http://www.thundershirt.com/HowItWorks/Default.aspx to see detailed illustrations. Are there any special sizing and fit considerations for male dogs? When fitting a Thundershirt on a male dog, the straps that go around the stomach area should not cover or push on the genitals or prepuce. If the Thundershirt rubs against the genitals or prepuce, irritation may result. Is overheating a concern when using a Thundershirt? Except in extreme conditions e.g. 90 degrees Fahrenheit in the sun, overheating is not typically a concern when using a Thundershirt. Dogs cool themselves primarily through their mouths and paws, and a Thundershirt is constructed of a thin, breathable fabric. The state of Florida is one of our biggest markets. But if you feel that overheating might be a problem for your particular circumstance, please monitor your dog for any signs of overheating such as heavy panting or tongue hanging out of the mouth. Remove the Thundershirt if you see any signs of overheating. ThunderShirt XLarge Navy Blue Polo. I do not receive this product or any others in exchange for this article, I do get a commission for readers clicking the buy now links which helps to differ the cost of hosting this blog and I sincerely hope this article site helps you with your search for Vet Approved Rx products.