The Buckle collar should fit comfortably around your pups neck. Size is in inches and refers to the collar length once buckled around your pups neck.
The Slip collar must fit comfortably over your pups head and neck. Size is in inches and refers to the length of the collar (*note this collar does not open)
All of our leashes are our sweet spot 5' length. The S/M dog leash has lighter hardware and a thinner profile and is recommended for dogs under 25lbs. The M/L leash is our original size leash and is recommended for dogs over 25lbs.