Willow Wolfe Callia Artist Watercolour Details Brush Set Spotter, Fine Round, Round, Angle, Flat - Callia Artist Brushes, designed by renowned artist, author and educator, Willow Wolfe, bring together innovative synthetics and precise craftsmanship, making them ideal for acrylic, oil, and watercolour painting. They come in a variety of traditional and unique shapes and sizes, using synthetic 100% cruelty-free blends like Synthetic Kolinsky, Synthetic Bristle, Synthetic Sable, and Golden Taklon. These brushes are handcrafted for excellent spring and snap, precise colour control, and are equipped with high-quality brass ferrules. They maintain their shape and feature Willow's signature six-layer, crack-resistant handle. Callia is designed by artists for artists to paint beautifully and be your trusted and treasured brush of choice! This package contains one each size 5/0 Spotter, 0 Fine Round, 3 Round, 1/4 Angle, and 2 Flat.