Etching fluid is a highly corrosive acid that creates a permanent sandblasted effect on glass.
 
 
use any type of glass
virgin (un-recycled) glass usually produces better results
etching is a permanent effect that cannot be remove
create designs on wine glasses, jam jars, bottles. window glass etc
rinse with water & seek medical attention if eye-contact occurs
wear protective clothing and avoid breathing the fumes when etching
keep out of reach of children