These are some Dog Scent Training Tool, they also a good tool to add fun to the scent games for your dogs. Made of bite-resistant and aluminum, they can safely be used to make interesting nose training for your dog, much funny and practical. Features - Color: As Shown - Material:Aluminum - Size: 6.80X6.80X3.50cm/2.67X2.67X1.38in - Capacity: About 80ml -The Dog Scent Training Case improve pet sense of smell and busy while reducing stress. -The color is simple, design is careful, and it can be stored when not in use, convenient and useful. -With good material and , you can buy this safe and high-class training tool at a . -Premium and safe material, these box can can be safely used for fun nose training for your dogs. -With holes design on the lids, this box can be used a scent training tool, and also a good aroma container for your home. Package list: 30 Scent Training Boxes