Designer plastic neck pen with dual function refills, coloured barrel, black ergonomic grip and quick release neck cord. The Bio neck pen has silver trim and a Parker style black refill. Features: Quick release neck cord, Ergonomic grip, Silver trim, Parker style refill. Materials: Plastic. Colours: Silver, Black, Blue, White. Packing: Bulk Packed. Decoration Position: Barrel. Print Size: Barrel: 45 x 9.5mm.