Dayglo Replacement Collars for Garmin T5 mini, TT15 mini, PT10, PT5, Bark Limiter, Etc. are a plastic coated nylon, easy to see during the day and night. Available with reflective strip sewn on top to make it easier to find your hunting dog in the dark or without (See difference in photo...Black has reflective strip and red in non-reflective). 3/4" Width. Hand made by Dan's Hunting Gear in Ohio. Available in Black, Red, Blue, Orange, Green, Pink and Yellow