THICK AND DURABLE - These paper tray covers have a durable construction preventing leaking while promoting a clean environment. ROUNDED CORNERS - Smooth, rounded corners offering a secure fit to dental and tattoo trays. MADE TO FIT – Each tray cover is measures 8¼ inches × 12¼ inches designed for a secure fit to the average Instrument tray. DISPOSABLE – Covers serve as a barrier and minimizes time spent cleaning trays between patients. HEAVY BOND PAPER – Thick paper that is resistant to ripping and tearing and minimize noise and improve visibility of tools, burs and files resting on the tray.