Garmin Replacement Collar w/D-Ring in two sizes.  Collars are a plastic-coated nylon, easy to see during the day and night.  

3/4" wide x   1" wide, 24" long (fits TT 15 Mini and TT 25 for beagles and small dogs)

1" wide x 27" long (TT 15X and TT 25 for larger dogs) 

Collars are a plastic coated nylon, easy to see during the day and night. 

Reflective and Non-Reflective available in a variety of colors.