Heavy Duty Adjustable Nylon Dog Collar 1.5" Wide. Fits 17"-27.5" Neck XLarge, Cane Corso, Mastiff, 1.5" wide high quality strong and durable thick double-ply heavy duty nylon collar Features quick release buckle and heavy duty D-ring Comfortable for wearing and lighter weight, can be adjusted to fit 17"-27.5" neck, suitable for Large breeds Most suitable for large and XLarge dogs Ideal collar for everyday use.