Prevent unauthorized copies and safeguard confidential business, legal, healthcare and personal documents. Designed to meet and exceed federal guidelines for tamper-resistant security paper set by the Centers for Medicare and Medicaid Services. Colored background with erasure protection. Artificial watermark is coin reactive. Advanced Medical Paper --7 Security Features. Advanced features: All Standard features plus heat-sensitive ink. Sheet/Roll Size: 8.5 x 11; Paper Basis Weight (lb): 24 lb; Paper/Media Color(s): Blue; Color Family: Blue.