Features: Widened DesignThe neck is widened without strangling the neck, and the flexible neoprene will not rub against the skin of the neck during the pulling process, providing comprehensive care for the dog. For OutdoorWear-resistant and bite-resistant, suitable for medium and large dogs to go out for explosion-proof punching and training. Four reflective design, more at ease when traveling at night. Adjustable DesignUsing a plastic buckle, the size of the webbing can be adjusted according to the pet's neck circumference. The buckle and the rope are designed to be fastened, and the adjusted length is not easy to loosen, so you can rest assured and safe. Main FunctionThe unique design is designed to make your pet charming and easy to find, not just the basic black collar you see everywhere. Non-FadingThe braided belt has passed the laboratory tensile test and laboratory color fastness test, which is strong, tear-resistant and non-fading. Specifications: Type: Dog Collar Material: Polyester, Neoprene Color: Black Size(L*W): About M:(37-45)x3cm/(14.57-17.72)x1.18inch L:(43-50)x3cm/(16.93-19.69)x1.18inch XL:(48-55)x3cm/(18.9-21.65)x1.18inch Package Included: 1pc x Dog Collar Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.