Hhying New Fashion Adjustable Dog Cat Puppy Pet LED Neck Strap Camouflage Flashing Collar Light Safety Yellow L Size: S:Width: 2.5cm(The Adjustable Range: 35-43cm) M: Width: 2.5cm(The Adjustable Range: 40-48cm) L: Width: 2.5cm(The Adjustable Range: 45-52cm) XL: