Anatomical design with smooth surface to provide the best comfort for the patient during the dental operation. Suitable for a wide variety of impression materials. Made from high quality metal material to ensure maximum durability. Can be autoclaved and used repeatedly, including large, medium and small impression trays. To support the dental impression material in the repair of prostheses, suitable for dental use. Including a total of 6 dental impression trays in the package, which meet your different requirements. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!