Modern, chunky and attractive design. Silky slip-resistant finish. Contoured gripping area that facilitates comfortable writing for young students. Ergonomically designed cap that seals the nib perfectly to prevent drying-out. Gives a clicking sound to assure that the cap is closed firmly. Dollar SP-10 Rainbow Fountain Pen fills with ink from a glass bottle; Ergonomic and Comfortable grip developed specially for Young's hands; Smooth flow and Smooth Handwriting; silck design, Iridium point nib and fine grip Recyclable. Available in Assorted Rainbow Colours: Beige, Red, Green, Pink, Violet, Red Orange, Light Blue, Orange, Gray, and Yellow. Comfortable grip and Iridium point nib Smooth flow. Modern, chunky and attractive design Recyclable. Silky slip-resistant finish Ergonomically designed cap that seals the nib perfectly