Dog Scent Training: Enhances pets' natural sense of smell, avoids boredom, and can relieve emotional stress. The lid has holes so dogs can smell, and thus can also train the dog's nose ability anywhere. Dog Scent Training Box: Made of food-grade aluminum. They can be safely used for fun hiding places. Release the dog's excess energy, avoid or loss of appetite and relieve. Dog Work Cans: Made of premium aluminum material, do not harm pets, and the bottom of the box is stable. Place different scents inside, or you can put different treats in for them to find and reward when your dog investigates. Portable Size: 6.80X6.80X3.00cm/2.67X2.67X1.18in. You can place your scent inside, you can also put different treats in for them to find reward when your dog investigates. They are also super easy to keep clean. Dog Nose Work Containers: Best gift for dogs. Scent training games are some of the best activities for dogs. Add the fun scent games to your dog's repertoire of behaviors and help her tap into this untapped power of smell.