The baseball cap is made of 100% cotton. You'll feel like a proud player on the team with this product from particular logo products.T hey can easily recognize your logo from these customized caps. 23" D. 23" Diameter View our full assortment of products on our websites: www.Neighborhoodies.com | www.NeighborhoodiesPromos.com. Can’t find what you need? Let us know! We’ll be happy to source products for your project.