Dean and Tyler Wire Basket Muzzle, Size No. R4 - Large Rottweiler Experiencing problems to leave muzzle for long time during hot summer days? - No longer with super ventilation wire muzzle Having trouble during vet or groomer visit? - Get this muzzle and solve the problem Need reliable products recommended by Vets, Dog Trainers and Behaviorist? - This muzzle is the professionals pick Looking for a solution to discourage your dog from biting, chewing and eating unwanted objects? - No more dangerous rocks or sticks with this muzzle Are you looking for a long term solution? - With this muzzle on, your dog will breath freely, pant and drink water.