Andrew Mack John Hannukaine Quill Series Brush Set is made up of six (6) brushes ranging from XXS to XL. Offers nice edges and lots of snap. Bristles are a mixture of squirrel and taklon hair. Package Includes: XXS – Similar to a Size 2 Graduated Quill XS – Similar to a Size 3 Graduated Quill S – Similar to a Size 4 Graduated Quill M – Similar to a Size 6 Graduated Quill L – Similar to a Size 8 Graduated Quill XL – Similar to a Size 10 Graduated Quill