Description: Brand new and high quality. Ideal for decorating and writing on glass, windows and boards. Easy to wipe off, Water base and non toxic. Pump style nib, Neon colours. Suitable for children 3 years and above. For blackboard non-porous surfaces only. Completely Safe: Our Water Based ink is Non Toxic to use and free from acid and xylene. Great Gift for Children Colorful Paintings on Cafe, Office, Shop menu and Party. Easily Clean and wet wipe (no residue) Specifications: Material: ABS Line Size: 7mm How to Use: For first time use, please shake the pen well (with cap on) for 15 seconds to mix the powder and the liquid. Then keep pushing down the nib for more than 15 seconds until nib fills with ink. After use replace the cap tightly and store in horizontal position. Shake well with the cap on, remove cap, press tip for a few seconds until tip fills with ink, recap tightly after use and store in a horizontal position. How to Clean: Once dry, simply use any damp cloth or wet wipes to wipe off. No need to use any chemicals or cleaning products. Use a dry cloth to clean a glass surface and use a damp cloth to clean wood/blackboard non-porous surfaces. Warning: Some chalk boards may be porous. Always TEST First, making a small mark in a hidden corner of your surface. Avoid water sources. The liquid is soluble in water. Packing includes: 8 Colours Neon Liquid Chalk Pen