Skip to product information
1 of 8

Sharpie Magnum Permanent Markers – Big Poster Board Marker for Family DIY Days, Permanent Chisel Tip Black Bulk Count

Sharpie Magnum Permanent Markers – Big Poster Board Marker for Family DIY Days, Permanent Chisel Tip Black Bulk Count

Regular price $44.16 USD
Regular price $94.36 USD Sale price $44.16 USD -53%
Sold out
Taxes included. Shipping calculated at checkout.
AVAILABLE:

In stock

CATEGORY:All product
Title
Quantity

Why you'll love it

  • Oversized 3/4-inch chisel tip covers wide areas fast, ideal for poster-size writing
  • Unique wet and oily surface formula works where standard markers fail
  • Versatile across 8+ materials (corrugate, wood, metal, foil, stone, plastic, leather) reducing the need for multiple marker types
  • Bold, highly visible black lines that stand out from a distance
  • Made in the USA, signaling quality and reliability
  • Bulk 12-count pack delivers strong per-unit value for classrooms and teams

Perfect for

  • Creating large poster boards and classroom visual aids
  • Labeling corrugate boxes, lumber, and metal inventory in warehouses
  • Marking wet or oily surfaces like stone, foil, and plastic on job sites
  • Making bold, highly visible signs for events and announcements
  • Heavy-duty DIY projects on wood, leather, and outdoor materials


Product Information
Oversized chisel tip for extra wide marks, great for poster boards

Durable, 3/4-inch felt chisel tip draws bold, highly visible lines

Specially formulated for both wet and oily surfaces, perfect for corrugate, wood, metal, foil, stone, plastic, leather and more

Made in the USA
Perfect for when info is high priority and precision is a must, Sharpie Highlighters make everything highly visible with brilliant colors in transparent, smooth, and quick-drying ink. These wide-barreled tank highlighters feature a large ink supply for dependable and long-lasting use and an easy gliding chisel tip that highlights and underlines both wide and narrow lines of text. The quick-drying ink resists smearing many pen or marker inks. And with an array of brilliant colors, Sharpie highlighters make your most important thoughts and notes jump off the page. It’s no wonder why Sharpie is the got-to-have highlighter for life’s major high points.Ink Color: Black
Writing Instrument Form: Marker Pen
Point Type: Chisel
Additional Features: Waterproof
Water Resistance Level: Not Water Resistant
Line Size: 3
Hand Orientation: Ambidextrous
Is Waterproof: true
Grip Type: Comfort
Color: Black
Style: 12-count Black Magnum
Pattern: Markers
Body Shape: Rectangular
Number of Items: 1
Item Weight: 1.4 Pounds
Item Dimensions: 1 x 7.75 x 7.6 inches
Item Dimensions D x W x H: 4.7"D x 5.9"W x 3.8"H
Item Diameter: 3.38 Inches
Number of Pieces: 12
Recommended Uses For Product: Metal,Plastic,Stone,Wood
Age Range Description: All Ages
Target Audience: Adult, Kid, Youth
Model Name: Magnum Black Permenant Markers
Marker Type: Permanent Marker
Item Type Name: Permanent Marker
Included Components: ART SUPPLIES
Surface Recommendation: Leather
Material Type: Plastic
Ink Base: Alcohol

Frequently Asked Questions

Is this marker safe for kids to use with adult supervision?

It is intended for use by older children and adults with parental supervision. Like all permanent markers, it should not be used by young children on skin, and the bold black ink is not washable, so keep it away from walls, clothing, and furniture.

Is the bold black ink too harsh for a child's craft project?

No. The high-contrast black is exactly what makes posters, signs, and school project lettering look bold and confident. For colorful craft work, kids can pair the Magnum with colored markers for highlights and borders.

Can kids use this for school poster projects and group presentations?

Yes. The wide chisel tip is ideal for poster-size lettering, and the quick-drying ink prevents smearing during group handling, which is common when kids carry projects down hallways and onto school buses.

Will this work on the mixed materials kids use for dioramas and 3D projects?

Yes. The Magnum works on cardboard, foam board, wood, plastic, and even stone or foil pieces, which covers nearly every material used in classroom dioramas, model-making, and STEM fair projects.

Is the barrel size easy for kids to grip?

The rectangular barrel is chunky enough for small hands to grip securely, which is helpful for younger children still developing fine motor control. The ambidextrous design also works for both right- and left-handed kids.

What is the family-craft benefit of the oversized chisel tip?

It lets kids produce big, bold letters and shapes quickly, so a poster goes from blank to finished faster. That keeps younger children engaged longer and reduces the frustration of small-tip markers that require careful control.

How does the quick-drying ink help during kids' group projects?

It prevents smudges when little hands inevitably brush across fresh ink. Projects can be stacked, moved, and carried to school almost immediately after the last stroke dries.

Does the multi-surface compatibility matter for family DIY projects?

Yes. Kids' projects often mix cardboard, wood scraps, plastic toys, and foam. A single marker that handles all of those means fewer supplies to buy, set up, and clean up for parents.

How does this compare to washable markers for kids?

Washable markers are safer for young children and easier to clean up, but the ink is faint, smears easily, and does not work on non-porous surfaces. The Magnum is the upgrade choice for older kids ready for permanent, project-quality results.

How does this compare to a fine-point Sharpie for kids' school projects?

Fine-point Sharpies are great for detail but slow on poster-size letters. The Magnum's 3/4-inch chisel tip is purpose-built for big lettering, which is what teachers actually want on a classroom poster.

Is this a better classroom donation than a pack of regular markers?

For middle school, high school, art, and shop classrooms, yes. Teachers specifically request wide-tip permanent markers for posters, signs, and shop projects, and a 12-pack donation is one of the most-used items in a supply closet.

What if my child draws on the wall or furniture with this marker?

Because the ink is permanent and not designed to wash off porous surfaces like drywall or fabric, parents should store it out of reach of young children. For older kids doing supervised projects, it is a powerful creative tool.

Is the cap a choking hazard for younger siblings?

The cap is small enough that it should be kept away from children under three, consistent with marker safety standards for any writing instrument. Always store the pack in a location inaccessible to toddlers.

Can younger elementary students use this for crafts, or is it too advanced?

Older elementary students (typically 8 and up) handle it well, especially for big poster projects. Younger children do better with washable markers for free drawing and should only use the Magnum with close adult supervision.

How do I get the best results from a Sharpie Magnum chisel tip marker?

Recap the marker promptly after use, store it horizontally, and press the tip firmly against the surface to fully engage the felt. For very rough materials like stone or bark, press hard enough that the felt flattens slightly to push ink into the texture.

How long does the ink take to dry, and is it really waterproof?

The alcohol-based ink typically dries in seconds on porous surfaces and within a minute on non-porous surfaces like plastic or metal. Once dry, it is waterproof and resistant to smearing, though it will eventually fade with prolonged UV exposure.

Can I revive a Magnum marker that has dried out?

Sometimes. Place the tip in a small amount of rubbing alcohol for 30 to 60 minutes, then recap and let it sit overnight. If the felt is still hardened the next day, the marker has reached end of life and should be replaced.

Does this marker work on glass and ceramic?

It can mark glass and ceramic, but because those are smooth non-porous surfaces, the ink can be scraped off more easily than on rougher materials. For permanent marks on glass, a dedicated paint marker is generally a better choice.

Is the ink safe to use on food packaging or containers?

The ink is not certified food-safe and should not be applied directly to surfaces that contact food. It is appropriate for marking the outside of corrugate boxes, storage bins, and shipping cartons, but not for labeling food containers themselves.

What is included in the box, and is anything sold separately?

The package includes 12 Sharpie Magnum permanent markers in the color you select (Black or Blue). No additional accessories are required, though many users buy a marker caddy or wall holder separately for classroom and shop organization.

Is this marker made in the USA?

Yes. Sharpie Magnum permanent markers are made in the USA, which many buyers consider a signal of consistent quality control and reliable manufacturing standards.

What is the shelf life of an unopened Magnum marker?

An unopened marker stored in a cool, dry place typically retains good ink quality for two to three years. Once opened and used, lifespan depends on how often the cap is left off and how the marker is stored.

How is a permanent marker different from a dry erase or paint marker?

Permanent markers use quick-drying alcohol-based ink that bonds to surfaces and cannot be erased. Dry erase markers use low-tack ink designed to wipe off smooth whiteboards. Paint markers use actual paint that sits on top of the surface and is often more durable but slower to dry and harder to control.

View full details

Contact