With our personalized, custom pet collar, you can worry less about your pet. Each collar has a printed QR code, which, if scanned, will immediately call the owner. Made in the USA from advanced Thermo-Elastomer material under cruelty-free conditions, this collar is also odor and stain-resistant, as well as hypoallergenic. Available in 4 sizes from small thru Extra Large and 4 buckle options: Black Onyx, Gun Metal, Rose Gold, and Vintage Brass.Small ➝ 11-14" x 0.67" wideMedium ➝ 15-18" x 1" wideLarge ➝ 19-22" x 1" wideExtra Large ➝ 23-26" x 1" wide