Disposable Paper Tray Covers Made of durable construction, these Paper Tray Covers provide low absorbency and fit trays comfortably. DEFEND Paper Tray Covers feature rounded corners, and are available in a variety of colors to match any dental office. These colors include white, blue, mauve, green and lavender. DEFEND Paper Tray Covers come in a “B” Size (8½” x 12¼”) (21.6 cm x 31.1 cm). 1000/CASE TC-9000 PAPER TRAY COVER – WHITE TC-9001 PAPER TRAY COVER – BLUE TC-9002 PAPER TRAY COVER – MAUVE TC-9003 PAPER TRAY COVER – GREEN TC-9004 PAPER TRAY COVER – LAVENDER