The slip-on bandana used is a washable bandana, with an added Heat Transfer Vinyl Decal.
 
Size noted in item description.
Sizes are based on width around the neck and length down the center.  Collar not included.
 
Small
8" wide by 6" long, fits up to 1" collar
 
Medium
9 3/4" wide by 8 1/2" long, fits up to 1" collar
 
Items are in stock and ready to ship.