Cheerleader Dress up Halloween Costume Outfit for Dog- SMALL Velcro Closure on underside of neck and belly for slightly adjustable fit. 100% Polyester Size is SMALL. ACTUAL MEASUREMENTS (laid flat): Back Length: 8", Neck Girth: 10", Chest Girth: 14". For length measure from base of neck to base of tail. For neck & chest measurements be sure to measure width around widest points of neck & belly.