These Metal Rivet Studded Dog Collar are made up of real leather and decorated with 3 Rows of metal studs added charm The size of these 3" Wide Pet collars are Large ( 18" - 22" ) and XL ( 21" - 25" ) and XXL ( 25" - 30" ), please keep some room between neck and collar, it is comfortable for your pet These Flat Studded Leather Collars are Highly resistant to chewing, strong ,durable, adjustable which will last for a long time with no fear of getting tear easily A simple design, a great look, soft and comfortable, best decorations for your pet