With a blend of several natural hairs with a proprietary groundbreaking synthetic fiber meant to create the perfect mongoose substitute, KEVRIN+ is in fact a better brush than its predecessor and offers all the features a quality oil and acrylic brush requires.Details:Filbert brush shapeAvailable in multiple sizes8 brushesSynthetic and natural blend filamentExcellent paint retentionVery good shape memoryLong handleFor acrylic and oil painting techniques