Our online sales DTC are split approximately 36% S and 64% L.DETAILS-This bow tie gives an extra dose of dapper when you need it-Attaches to most standard-width collars with elastic loops on the back-Two elastic loops for added stability (no more bow tie droop!)SIZINGChoose between two sizes:-Small (4" W x 2.5" H): for smaller dogs or dogs looking for that classically preppy bow tie look-Large (5" W x 3.5" H): for bigger dogs, dogs with long fur, or small dogs looking to make a statementCARE INSTRUCTIONS-Hand wash or machine wash in cold water. Air dry flat.