Product Dimensions - 22x 6 x 3 cm Luminous reflective material for enhanced nocturnal visibility Adjustable pet collar with a flexible slide buckle design Stainless steel O-ring provides a secure lead attachment point Breathable and comfort padding 360° reflective straps - reflective material for extra visibility from a distance at night or in the dark Safety buckle is lightweight and have a large loading capacity which improves the tensile strength Suitable for dog with neck size 35-40cm