Durable and Comfortable - It is made of durable nylon with a soft neoprene pad inside to provide comfort for your dog. High tensile strength - stainless steel double D-ring design can withstand strong tension while preventing excessive force on the buckle. The buckle is not easy to fall off during movement, and the service life is extended. Night Reflections - The 3 reflective stripes in the middle maintain high visibility in the dark or at night. Protect your beloved dog to avoid accidents. Adjustable and easy to use-Large size 40-60cm (16-23.5inch), width 2.5cm. The high quality eco-friendly plastic buckle can be easily buckled and has a separate nameplate ring. Note - Please use a soft tape measure to measure the widest part of the dog`s neck and add 1 inch to get the correct length. Product Description: - There is an extra loop for base name and chip label. --Machine washable, but hand washing and air drying is best. --The three reflective strips in the middle maintain high visibility in the dark or at night. Color: Red/Black/Green/GreyCollar Size: 40-60cm/16-23.5inch, width 2.5cm/1.0inchPacking list: 1 piece dog collarNote: Please use a soft tape measure to measure the part the thickest part of the dog's neck and add 1 inch to get the correct length. Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail .