Pink, orange, yellow. Our strongest smear protection! Plus won't bleed through paper! Gel stick. Smearguard. Gel Technology: Won't dry out if left uncapped. Writes as long as a traditional pen-style highlighter. Gel stick conforms to your handwriting style. Perfect for highlighting, writing, doodling and drawing. Works on all paper surfaces without bleeding including: glossy papers, magazines, thin papers, Bibles. Conforms to ASTM D-4236. Made in Korea.