martin collar adjustable nylon green 4Adjustable Nylon Collar Green 20 30 cm With this comfortable, adjustable collar around his neck, your dog will happily go for a walk. The owner has also been thought of; thanks to the convenient click buckle, you can fasten and unfasten the collar in one movement. In addition, you can easily adjust the collar with the plastic buckle on the collar. The collar is resistant to pulling and tugging and can withstand up to 36 kilos without coming undone.