Amazon.com : dogIDs Fi Tracker Compatible Personalized Waterproof Dog Collar - use with Fi Series 2, Odor Resistant, Custom Name Plate - Wine, 1 in x 14 in (Fits Neck Sizes 12-16
Fi Compatible Reflective Lightweight Biothane Waterproof Martingale Dog Collar
Fi Series 1 & 2 Compatible Layered Side Release Buckle Biothane Collar - Four Black Paws
Fi Compatible Solid Black Dog Collar - Cycle Dog-Earth Friendly Pet Company
Cookies & Co. | Fi Compatible Custom Quick Release Dog Collar – The Cookies & Co.