Paper sticker: replaceable sticker designed to reduce the time spent checking results. Simple to swap when updates are needed. Marking sticker: lightweight and easy to carry. Convenient to store and practical for adhesive target labeling. Target stickers: manufactured with good workmanship to provide a reliable user experience. Strong adhesive targets for dependable performance. Target accessories: built for stable performance. Includes coloured dot stickers for quick visual identification. Use scenarios Laboratory result labeling: apply replaceable paper stickers to mark test outcomes and quickly update as results change. Classroom or workshop labeling: use marking stickers and coloured dot accessories to organize projects, assignments, or stations. Field tasks or inventory tagging: lightweight stickers stay attached under varying conditions, with coloured dots enabling fast identification.