Breakaway / Safety Buckle Clasp ” (the most common type for cat collars). This type has a safety feature that allows it to automatically pop open if tugged on hard enough / breaks away at ~11 lbs of tensile force - (this unit of measurement is not related to the pet's weight)). Safety breakaway buckles are designed to prevent a choking hazard if the pet's collar gets caught on something. 

Bow Tie Size: 3" x 1.75" (w x h). One-size-fits-all for cats and small dogs.

Pet Bandana Size: 6" x 4" (w x h)