Features: Weather resistant quick dry markers with oil resistant equation assure marker costless writing on multiple surfaces, featuring 12 pack bulk supply and industrial grade permanent inks for long lasting execution. Engineered with ergonomic plastic grips and fade resistant technology, these markers deliver fluid on metal, glass, plastic, and paper while preventing hand fatigue during extended use. Ideal for warehouse staff, mechanics, teachers, and artists requiring consistent tools for inventory labeling, equipment maintenance, classroom projects, or creative crafts. Perfect for industrial workshops, outdoor job sites, office document organization, and household labeling tasks where moisture/oil resistance versatility matter most. Each set includes 12 bright markers combining durability with multipurpose functionality, making they essential for professional environments and daily creative applications. Specifications: Component: Plastic Size: 14cm Attributes: Black inks, waterproof and quick-drying, refusal color loss Technical parameters: Large capacity inks design, durability, oil-proof properties assure clear writing on all surfaces Use scenario: Suitable for offices, schools, warehouses and other environments, suitable for marking paper, plastic, metal, glass Practicality: 12 packs, economical and reasonable, meet the needs of long-term use Package Includes: 12 × piecesWaterproof quick-drying marker note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.