The B.B. Simon Dog Collar / Red Your dog will not go unnoticed in this striking red B.B. Simon dog collar. Genuine leather and Swarovski Crystals. Made in the USA. SIZING: XS - 5" to 8 1/2" SM - 8" to 11 3/4" MED - 11" to 14 3/4" LG - 14" to 17 3/4" XL - 17" to 20 3/4"