The WP label series is a multi-type label that uses the cheapest raw paper available in both domestic and abroad.When printing, please be sure to check your printer manual and print it using hand-feed paper settings suitable for printing labels.Avoid storing in high temperatures, high humidity, or direct sunlight.After using the label paper, make sure to put it back to the package and store it horizontally.Also, please use it as soon as possible after purchase.Please do not re-print the label that is not printed once printed or put it back on again.This may cause the printer to malfunction.It is not compatible with models that use pigment-based inks in various printers.