1、The wool roving is made of high grade wool fiber which is suitable for needle felting and wet felting. 2、Length of wool is about 10-15cm, and fineness is about 18.5-26um, perfect for various felting projects. 3、This kit including 24 vibrant colors of wool roving and other felting tools to meet all your need. 4、Perfect for making jewelry, mat, doll, key ring, dryer balls, any craft and Christmas gift to kids. 5、Suitable for both the beginner and professional use. Features: The wool roving is made of high grade wool fiber which is suitable for needle felting and wet felting. Length of wool is about 10-15cm, and fineness is about 18.5-26um, perfect for various felting projects. This kit including 24 vibrant colors of wool roving and other felting tools to meet all your need. Perfect for making jewelry, mat, doll, key ring, dryer balls, any craft and Christmas gift to kids. Suitable for both the beginner and professional use. Specification: Weight: Approx.108g/ 3.8oz Wool weight: 2g per color Color: 25 colors Package List: 25 * Wool Roving 2 * Dust Plug 2 * Safety Eyes 1 * Little Bell 2 * Phone Straps 11 * Felting Needle 5 * keychain 1 * Awl 1 * Needle Container 1 * 10cm Glue Stick  1 * Foam Mat 2 * Leather Finger Cot Note: Please allow slight error due to manual measurement. Thanks for your understanding.