Scent probes are made from high-quality, heavy duty PVC and feature holes along the length to evenly distribute the scent from the training aid. Simply slip off one of the end caps to fill with the training aid of your choice then bury the tube or place it where the dog will not mouth it. For truffle hunting, put a drop of truffle oil on a piece of cotton wool, kitchen towel or cotton bud. Scent probes can also be used for other types of scent training.
Each probe measures approximately 17 x 2. 5 cm (c. 7 x 1 inches).