Best choice for pets: --- The collar is adjustable, don't worry too tight or too loose. --- Don't let hand wash, do not put washing machine or dryer. --- Designed ventilation hole, breathable and comfortable, your dog will not feel hot. -- - Available in 2 colors and 5 sizes, measure your dog's muzzle before purchasing. Note: Don't let your dog wear a muzzle too long because they are not able to talk and cool off. About our services: If you have any questions , leave a message, we will reply to you within 24 hours, and provide the best service. If you are satisfied with our products, please give a positive feedback, we will thank you for your encouragement. If you are not satisfied, contact us, we will solve the problem until you are satisfied. When you buy PETCUTE, we donate a portion of the profits to charitable organizations. animal charities for animal shelters and rescue. Brand History: PETCUTE originated in 2001, Los Angeles Couples Smith have adopted lots of dogs and strays, in order to give better care to these cute lans. The Smith couple are trying to find pet supplies from around the world. company to make them healthier and happier, but there was almost no market for pet supplies. Smith and his wife began designing pet products, and PETCUTE was born. These products make their pets happier and healthier, more and more people started to know about PETCUTE. ,"