Canac Nylon Dog Collar has been manufactured from the world"s strongest nylon. This quality collar offers the greatest comfort and long lasting loyalty that won"t let you or your dog down. The ultra strong and also soft weave nylon with the die cast buckle and solid D ring guarantees maximum strength when a lead is attached. Available in a range of different sizes. Width: Length: 10mm (3/8") x 20 - 25cm (8 - 10") 10mm (3/8") x 25 - 30cm (10 -12") 16mm (5/8") x 30 - 35cm (12 - 14") 16mm (5/8") x 35 - 40cm (14 - 16") 19mm (3/4") x 42 - 50cm (17 - 20") 25mm (1") x 45 - 55cm (18 - 22") 25mm (1") x 50 - 60cm (20 - 24")