The UMARK A10 is the best valve-style paint marker you can buy, and we've tested them all. These liquid paint markers are heavy duty performers but do not contain Xylene. They comply with California Prop 65 and are not reportable under SARA. They will write on dry, wet, or oily surfaces and dry quickly. Great for marking all surfaces in the fabricating, construction, and assembly industries. Very useful in the garden
for marking plant stakes and plastic markers and tags. Marks withstand sun and rain without fading. Re-primes quickly if the cap is left off.