Sharks and Fish Reversible Cotton Kippah Yarmulke Buchari Style Kippah. Reversible 100% Cotton fabric. Machine Washable. Stays on without clips! Sharks of all types on an light aqua background outside, Schools of Fish on the inside measure around the widest part of the head above ears as shown above in picture Small: below 21' Medium: below 22" Large: below 23"