1.custom ivy cap 2.eco-friendly wool blend 3. plain dye 4.15 years professional factory 5.AZO free, SGS test Black plain wool blend custom ivy cap 1.material: wool blend, we have other material like cotton, canvas , polyester, mesh etc for choice 2.color: we can do any color as per customer's request 3. size: 48cm-60cm for choice 4.logo: all kinds of printing, embroidery, applique, diamonds, ...