- This ULTRA-PLUS Training prong collar is our classic version designed for professional dog training.
Please note: This ULTRA-PLUS Training Collar features a 2-ring design
The ULTRA-PLUS Training Collar Size Suggestions:
For dogs up to 44lbs -> 16 Inch
For dogs up to 88lbs -> 23 Inch
For dogs up to 155lbs -> 25 Inch