Recommended by EHA for educational use. Manufactured with cellular rubber which provides excellent grip qualities. Hand stitched pattern and dimple surface. Available in 4 different sizes. Ages given as a guide. Sizes include Size 0 suitable for ages 6-8 years. Size 1, suitable for ages 8-14 years. Size 2, suitable for ages 12-16 years. Size 3, suitable for ages 16+ years. All sizes are sold in packs of 12.