Posca Extra Fine Bullet Tip Pastel 8 Pen Pack (1M)Sale! Was £28.00, now just £22.00. Posca pens can be used on multiple surfaces Card, Terracotta, Wood, Metal, Textiles, Porcelain, Plastic and Glass. This has a bullet shaped 0.7mm tip This multipack of 8 Posca pens includes White, Light Pink, Sky blue, Coral Pink, Aqua Green, Sunshine Yellow, Apricot and Lavender. The multipack price means you pay just £3.50 per pen!