I had been trying to find a muzzle for my 3 years old Poodle mix, who considers that the other dogs are only for biting them asap. I think that we will cope with socialization as she was always well my second dog so I needed the muzzle, but I couldn’t find anything suitable and difficult to take off. This muzzle allows her to open mouth and to stick out tongue, but prevents from biting. I’m pleased with the product. Client support and help of this website is second to none. Words fail to convey my feelings how I recommend this company!