Need a refill pack for your Polaroid Play+ 3D Pen? No problem! This box contains 20 filaments in different colours, some of which glow under UV light. You also get 2 Deluxe Silk filaments to experiment with. This filament is made from PLA, which is an environmentally friendly, bio-compostable plastic made from corn starch. Each filament is 15 grams, which is about 5 metres long. So, to get crafting again, order your Polaroid 3D Pen Refill Filament Box now! | Polaroid 3D Pen Refill Filament Box - 20 + 2 Free