These are the essential products for any pet owner or trainer who want to enhance the scent training for the pets. Each is designed with multiple holes to emit different scents. And you can use magnetic dots to attach the boxes to the place you desired.Features-Color:Silver-Material:Aluminium, plastic-Size:6.80X6.80X3.50cm2.67X2.67X1.38in-Size:2.50X2.50X0.20cm0.98X0.98X0.08in- Effortless training: The small holes on the lids of metal tins allow the better give off, so your pets can smell it and make reactions.- Convenient to use: With the included magnetic dots, you can place the on the wall, door, or any place you desired.- Enough supply: There are enough scent containers and magnetic dots, which provides enough supply for your daily training needs and replacement needs.- Enhanced durability: These dog scent training boxes are well made using aluminium to ensure lasting performance, not easy to break.- Wide application: You can fully utilize these metal tins to put various treats and make interesting scent games, making pets pleased.Package list: 12 x scent training holders12 x magnetic dots