Product category: mouth sleeve Material: Nylon Instructions for use: Use a soft ruler to measure the circumference of the pet's mouth (the circumference of the middle of the mouth). It is not necessary to be too tight. It is advisable to put a finger in it. Select a mouth sleeve close to the size according to the circumference of the mouth. Put the mouth sleeve on the pet, put it on the top while the grid is on the bottom, and fasten the plastic buckle on the back of the pet's neck to adjust to a suitable length Can't adjust too tightly when wearing the belt, can let the pet stick out the tongue Maintenance method: Wash the strip with a neutral detergent and then rinse it with clean water. Avoid use in high temperature, low temperature and humid environment Can not use hot water disinfection, contact with gasoline, alcohol Do not let the pet bite the muzzle, will make the muzzle broken Precautions Do not wear a mouthpiece for a long time and without care. Do not use pets for purposes other than muzzle Pay attention to the correct way to wear, so as not to hurt people Check the appliance before the belt is equipped, and stop using it in case of damage. In the first wear before the general will have discomfort, do not force the use, need to let the pet slowly adapt.