Brand from Taiwan: Cosplus. Using soft nylon bristles, the thickness and softness of the bristles are moderate, suitable for beginners.Each gel pen comes with an exclusive light-proof cap to protect the bristles for longer use.Suitable for painted French styles or styles for delineating clean lines.How to use:Unpack, open the cap and clear plastic sleeve.Unopened bristles will be hard, please use your fingertips to push the bristles away.White powder will fall off during the push process, which is normal, please clean the powder.After opening the pen, you can dip the nail gel and start using.