COMFORTABLE TO WEAR - The inside of the collar is lined with soft padding for extra comfort that protects your baby’s neck and withstands strenuous exercise. PRACTICAL DESIGN - The ring keeps you allows you to attach a tag, pendant or accessory. Material: PU leather + padded for extra strength and won’t tear your hands or pick up your hair like nylon straps.< /p> BONUS GIFT - Comes with a hole punch to adjust the perfect size for your pup at different ages.