Keep Smiling Professional Gesso Brushes Flat Tip – 3 Pieces Suitable for all Painting. Nylon hair, not easily deformed. Reasonable Curve Design, Pleasant to hold. Flat/Tip hair type. Handmade, premium quality paintbrushes. Great for fine nail art work, for professional use or home use. After painting, run the brushes under warm water to wash out the paint and use your fingers to gently reshape the hairs. Hold it’s shape very well while painting. Excellent art brushes.