DOUBLE PACK - Each package includes both 1 set extra fine and 1 set medium point acrylic paint pens for both detailing and broad coverage. 35 PENS - BOTH 20 Extra Fine tip pens AND 15 Medium tip pens; 22 different colors; double boxed for long lasting pen durability. MANY USES - Rock painting, ceramic and mug painting, glass and wine glass painting, wood, and much more for both smooth and porous surfaces. PREMIUM QUALITY - Vivid, smooth writing permanent paint; long lasting nylon tips; clear pen body for checking paint color uniformity and volume EASY CLEAN UP; NON-TOXIC; ODORLESS; and ENVIRONMENTALLY FRIENDLY - Safe water based paint drys quickly and sets permanently yet cleans up easily while still wet; scrubbing on smooth surfaces will clean when dry; conforms to ASTM D-4236 standards CHOOSE YOUR COLORS - Our sets are available in standard, metallic, fluorescent neon, black, and glitter! Let your creativity shine! Suitable for ages 12+ ArtShip Design's Premium Acrylic Paint Pens are perfect for arts and crafts on almost all surfaces! This Double Pack includes 15 Medium Tip and 20 Extra Fine Tip Pens for both broad coverage and fine details. For Rock Painting, Mug, Ceramic, Glass, Wine Glasses, Mugs, Wood, Canvas, and Much More. Water-Based, Non-Toxic, and No Odor. Suitable for ages 12+.