10 COLORS FINE TIP: This set contains 10 assorted bright colors, all basic colors are included. With 1 mm fine tip, are made of premium polyester. Shuttle Art wet erase markers allows you write notes, schedules,reminders,drawing, doodling more clear detailed and legible..WET-RUBBING: Shuttle Art wet erase markers are water based ink, can be wipe with a damp cloth or tissue easily and cleanly without smudges. Water based ink are odorless,non-toxic and acid-free, conforms to ASTM-D4236, safe for kids and adults..SMUDGE FREE & FADE RESISTANT: Shuttle Art wet erase markers dries quickly. After content were dried out, can NOT be dry erased or rubbed off. So that you won’t be worried about erasing important information by accident. And won't fade or bubble under intense lamp heat..WIDE USE OCCASIONS: Not only it is suitable for all occasions of dry erase markers such as school, home, office, conference room, restaurant, studio, but also for overhead projectors, transparencies, laminated calendars,and all other types of non-porous surfaces. Ideal for content that needs to be retained for a long time but still can be erased, such as weekly or monthly schedule..SERVICE GUARANTEE: Your satisfaction is our top priority, please rest assured to purchase our products. If you are not satisfied with our products or have any questions, please feel free to contact us at any time.