PLASDENT Sensor Sheaths with Paper Backing for GENDEX/XDR, size #1 500/Cs. Specially designed for digital X-ray sensors to ensure maximum patient comfort and ease of use. Made of a specially formulated, high quality blend of resins that are durable and scratch resistant, the latex-free sheaths protect your sensor investment, and they have no sharp edges. Convenient paper-backing design ensures easy insertion of sensors. #XS-GXDR-1