Features: Enhancing your dog's cognitive abilities and natural scent instincts with this 10pack Aluminum Scent Training, designed to stimulate mental growth through engaging sniffing challenges. Crafted from premium aluminum, these durability training cans withstand chewing while maintaining a light weight profile for versatile indoor/outdoor use. Ideal for pet owners seeking interactive brains game for puppies to senior dogs across all breeds, from energetics Border Collies to curious. Perfect for backyard enrichment or indoor mental stimulation during rainy days, these odor resistant containers securely hold treats/toy to reduce canine boredom. The modulars design allows adjustable difficulty levels by rearranging cans, while dishwasher safe construction ensures effortless cleanup after messy training adventures. Specifications: Dimension:6.8×2.5cm/2.68×0.98in Component:aluminum Package Includes: 10pcs Dog Scent Training Cans note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.