The joint of the aluminum tube interface is double-fastened, and the pen head is not easy to fall offThe strokes are crisp and powerful, the strokes are neat and the strokes are rounded and smooth to usePainted surface, comfortable grip, excellent painting feelFlexible and elastic grip for comfortgifts for painters or artists, studentsSoluble or not: paintHandle material: woodType: oil brushmaintain:1. It must be put into water quickly after use, otherwise it will become hard. Make sure to never leave them in water and dry them.2. Cleaning: Water based paints - warm soapy water, oil based/solvent based paints3. Drying/Storage: Lay flat or head up.Package Included:1 *Paint materialIf you have any questions about this product, please contact me, we will contact you within 24 hours and provide you with a satisfactory answer.Please allow slight dimension difference due to different manual measurement.