The Whale swimming caps are made of imported high graded silicone materials, soft and comfy, 100% safe and enviromental friendly. Categorized by flat cap, reversible cap, three-dimensional cap, kids cartoon cap, ear protection cap, seamless cap, etc. Swim caps can be printed based on your preferred Pantone colors, pattarns, drawings, and logos as well. We also provide free design services with customers and do our best to work out satisfactory designs.