From Pro Arte, the W10 Polar Nylon Set includes 5 brushes taken from across several Series*, perfectly demonstrating the unique qualities, advantages & versatility on offer. Featuring a mixture of shapes & sizes, all brushes in this set feature white "Polar" filaments have been made using synthetic nylon for a high-quality, absorbent, soft & durable brush able to produce clean, consistent, crisp lines every time. *please refer to Contents below for more details