This is not a licensed product. It is however hand-crafted from licensed fabric. Kids Kippot is not affiliated or sponsored by the copyright holder. A Kids Kippot Original design Building Blocks Saucer Style Kippah perfect for your Lego lover! Size: one size fits all, approx 5" in diameter (good for both kids and adults) Kippot are made of 100% cotton. They are unlined and lightweight. If you prefer a lined kippah please add the optional lining add on to your order