【3 in 1 Nib】These chalk markers deliver 8 bright, vivid colors, perfect for eye-catching designs. The unique 10mm square nib acts like three markers in one! Easily create wide fills, bold lines, or thin lines just by rotating the tip. This versatility makes drawing, writing headings, or adding details effortless on any suitable surface, giving you maximum creativity from a single marker 【High Quality】You can trust these markers completely—they're safe for your family and surfaces. They feature a completely non-toxic, odorless, and washable ink formula. This makes them eco-friendly and safe. Enjoy dust-free writing and drawing - no messy chalk clouds or harmful fumes. This product is an art supply suitable for users aged 14 and above. 【Easy Clean】Using these markers is easy and enjoyable! Simply shake well, gently press the tip until ink flows, and create vibrant designs on smooth surfaces. Cleanup is quick work—simply wipe it dry or use a wet cloth. Either way, your surface stays perfectly clean: no streaks, no ghosting, no mess left behind. This hassle-free process keeps boards and windows looking fresh 【Widely Use】Ideal for restaurant menus, store signs, offices, cars, glass, mirrors, whiteboards, glossy board, LED boards, metal, glass and plastic. Perfect on windows, labels, mugs, or decals. Tips: Always test first on a small spot since these markers only work on non-porous surfaces. Ensure surface protection by performing this quick check first The packaging may vary slightly from the images.