Ancol Red Nylon And Chain Choker For Dogs. This Dog Collar Is Made From Strong Colourful Nylon And Chain. Designed To Be Ideal For Training. The Heritage Nylon And Chain Check Collar For Dogs is a strong combination of nylon and chain and is ideal for training. Features: Chain check dog collar, Durable nylon, Sturdy welded chain to create check chain properties, Adjustable for a secure fit, Suitable for long haired dogs, Loose fit, preventing kinks in the hair. Sizes: XSmall - size 1-2 (25-35 x 1cm), Small - size 2-4 (35-45 x 1.2cm), Medium - size 4-7 (45-60 x 1.9cm), Large - size 5-9 (50-70 x 1.9cm), XLarge - size 7-10 (55-75 x 2.5cm).