Hi friendLionheart glory is a brand focus on pet supplies design.The designer is a super dog lover and knows dogs very well. She has owned dogs for more than 15 years, and with the company of three dogs makes her happy every day.Lionheart glory has a great team and hopes to bring you more and better products to meet the needs of different dogs in the future.We have 5 sizes dog collars for you to choose from.Size XS : Length : 8-12 inch, Width : 5/8 inch.Size S : Length : 10-16 inch, Width : 0.8 inch.Size M : Length : 13.5-22 inch, Width : 1 inch.Size L : Length : 16-24 inch, Width : 1.2 inch.Size XL : Length : 16-26 inch, Width : 1.5 inch.Package Includes : One dog collar and one bowtie.Washing : I recommend washing by hand, washing the collar and bow with warm water and mild soap, then air dry.