Fret Dots are guaranteed from defects in workmanship and materials for a period of 3 months from the date of purchase.
Use only on fully cured finishes 6 months or older. Always remove when not in use particularly when applying to nitrocellular based lacquer finishes.
Most French-Polish finished guitars work very well with Kling-On products. Protection for this type of finish was one of the main reasons Kling-On guitar top-protectors were initially developed.
For more information on the suitability of Kling-On guitar products for guitars with various finishes, please see what the manufacturers say about Usage Issues at http://www.kling-on.com/usage_issues.htm.