0.5mm Gel Pens Write with Green Ink Eco-Friendly Pens Made from 54% Recycled Plastic Soft Grip Barrel is Latex Free Refillable with Pentel LRN5 0.5mm Refill Packs (Sold Separately) These Pentel EnerGel 0.5mm green ink liquid gel pens are made from 54% recycled plastic. The needle tip style allows for precision marking, while the smooth and quick-drying ink prevents unsightly smudging. These retractable liquid gel pens feature a refillable barrel with a latex-free comfort grip. Users can renew their gel ink supply with Pentel LRN5 refills (sold separately).