This set includes 24 Staedtler Noris Club Felt Tip Pens in a gift box, perfect for adult colouring. The pens feature 24 brilliant, vibrant, water-based ink colours that are dry-safe, meaning they can be left uncapped for days without drying out. The sturdy, pressure-resistant tip and ventilated cap ensure durability and safety. The ink washes out of most textiles easily. Each pen measures 165 x 10mm (6.5 x 0.3 inches) with the cap on.