This is a black collar designed to stop nuisance barking through sound and vibration. Collar size: Cut for small dogs, maximum 22cm (approx. measurement using a household scale, so please allow for some error). - Color: Black - Type: Anti-bark collar - Included: All items in the photos (the box is crushed in places, but will be folded and shipped) - Function: Training function using sound and vibration; no electric shock. Training is complete, so please use it if you are looking for one.