Ten Staedtler Noris fiber-tip pens in a pack: stable tip that can withstand pressure DRY SAFE: it won't dry out even if left uncapped for days. Food coloring dyes in water-based ink (per EU Regulation 231/2012) Ventilated cap that complies with BS 7272-1/2 and ISO 11540 easily removed from the majority of textiles PP barrel guaranteed to be 97% recycled plastic