Coastal's Adjustable Check Training Collar with Buckle for Dogs features a buckle that allows you to easily put the collar on/off your dog and is adjustable! This training collar has a limited-closure chain loop combined with a nylon collar for gentle correction and prevents the collar from becoming too tight. These collars are not to be used for tie out.  

Available in:

3/8" fits 11-15"

5/8" fits 14-18"

3/4" fits 18-22"

1" fits 22-29"