... , Custom designed top button, air-hole, peak color acceptable. SNAPBACK HATS:1. WOOL MATERIAL SNAPBACK HAT.2. STRUCTURE, PATTERN, CAN BE CUSTOMIZED.3 ... SUPPLIED. Cotton, polyester, wool , mesh, etc…2. Construction:ONLY BASEBALL HATS SNAPBACK AND FITTED AVAILABLE.3. BACK CLOSURE: Plastic snap and leather ... ; Production Leading Time:20-35 days after samples approval; blank snapback hats