1pc LED Dog Anti-lost Collar Glowing Luminous Dog Safety Night Light Flashing Necklace for Small Medium Large Dogs Collars Leads

Type: Pet Collar Fit for: Dog, Cat, Pet Material: Nylon, LED Light Bar Power Supply: 2 x CR2016 Batteries（Not included） Width:2.5cm/0.98" (Approx.) S size: width 2.5cm, minimum 35cm, maximum 43cm, expansion range 8cm M size: width 2.5cm, minimum 40cm, maximum 48cm, expansion range 8cm L size: width 2.5cm, minimum 45cm, maximum 52cm, expansion range 8cm XL size: width 2.5cm, minimum 52cm, maximum 60cm, expansion range 8cm