Sanford uni paint marker, oil-based, medium, metallic silver ink vibrant, oil-based opaque paint marker marks opaque and glossy on light or dark surfaces. Fade-resistant, water-resistant and abrasion-resistant. Acid-free. Acid-free ink/fade resistant/water proof/abrasion resistant. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.