Description: The metal tin lid features creatively shaped ventilation holes. The material is safe and reliable. It is made of pure, food-grade aluminum, which is odorless and completely safe. The lid has holes for dogs to sniff, which also helps train their sense of smell. Features - Color: Silver - Material: Aluminum - Size: 6.80 x 6.80 x 2.60 cm / 2.67 x 2.67 x 1.02 inches - This incense diffuser is made of premium aluminum, with a simple design that is durable and safe for long-term use. - Its fine polishing ensures a smooth, burr-free surface, making it safe to use. - Perfect for use in the bedroom, living room, study, office, etc. Suitable for various locations. - This aluminum box is not only a practical aroma diffuser but also a delicate desktop and car decoration. - Multifunctional: The lid has holes for dogs to sniff, which also helps train their sense of smell. Package contents: 10 air freshener diffuser boxes