Check the listing for details. 10 Boxes Dental Silicone Instrument Code Rings 8 Standard Color Recognition. Condition: New. Listed at 23.74 USD. Description: Features: 100% brand new and high quality Autoclave-able, silicone code rings for dental instruments. Fully autoclavable to 135℃. Medical grade silicone material. The standard size is for regular instruments, while the large size is designed to fit larger, ergonomic handles. Specification: Heat: 135℃ Material: Silicone Dimensions: 4x6x5mm(0.16x0.24x0.20in)(approx) Color: 8 Colors Quantity: 1 box(160pcs) Package includes: 1600 pcs (10 Boxes) x Instrument Code Rings FDA Statement: The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item. This item has been cleaned and treated according to the manufacturer's instructions