ZEN™ 53 Series is comprised of better quality, thick diameter synthetic filaments designed to replicate natural hair brushes, making them ideal for oils & acrylics. These brushes have excellent snap and hold their shape and crisp edges better than natural bristles. The ulta-metallic, silver ABS handles won't crack, swell or chip when soaked in water. ZEN™ 53 Series is the perfect balance between quality and style!