These are empty boxes for dog scent training use, made of premium and safe aluminum material. These boxes can be safely used for fun nose training for your dogs. Place different odors inside, or you can put different treats in for them to find.Features - Color: As Shown - Material: Aluminum - Size: 6.80 x 6.80 x 3.50 cm / 2.67 x 2.67 x 1.38 in - Capacity: About 80 ml - The owner can hide food or put different odors into the box to encourage your pet to sniff them - The dog searches for the source of the food according to the smell and plays with the empty box - With a bright appearance, the scent training tool is abrasion and bite resistant, making it practical for use - It can be a practical and thoughtful gift for your friends who have pets, and they will appreciate it - These dog activity tools add fun scent games to your dog's routine and help develop their natural sense of smell Package List: 10 x Dog Scent Training Boxes