100% Nylon fabric. that is soft, smooth, and colorfast.Machine or hand washable in cold water.Wash with like colors.This traditional not escape martingale collars does not have a snap clasp closure. Unique design triglide slide with two small holes on the buckle, you can attached dog ID tags. The reinforced stitching is strong and durable. All sewing joints are folded over making them smooth. This allows more comfort to you and your furry friend during use. Escape-proof martingale collar is made for walking training and daily use. Please ensure to adjust the collar to best fit your furry friends neck. For maximum comfort, we recommend a minimum of 2" (about 2 fingers) of slack between collar and neck.
PetSafe Martingale Collar - Medium