X-Ray Bite Block Protector Sleeve Regular (1″ x 2″)Clear, convenient plastic barriers for use with pano x-ray and Siemens machine bite blocksEconomical way to reduce cross-contamination, eliminating the need for disinfection or sterilizationLatex-free#1850 – Bite Block Protector, Pano, 1” x 2” 1000/bx #1850S – Bite Block Protector, Siemens, 1-½” x 3”, 500/bx