Photo 1 of LUCKYDC Martingale Collar for Training Dogs. Adjustable Reflective Collars with Buckle-USA Flag- NO Pull-Prevents Slipping Out, for Medium Large XL Dogs. Helps with Strong pullers(L, Blue)

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Photo 1 of LUCKYDC Martingale Collar for Training Dogs. Adjustable Reflective Collars with Buckle-USA Flag- NO Pull-Prevents Slipping Out, for Medium Large XL Dogs. Helps with Strong pullers(L, Blue)