Leak-proof cap for Miracle drinking bottles. Whether as a replacement for a broken cap or to give the bottle a twist: the Sigg Miracle Top Nude cap is the ideal replacement for all aluminum and Tritan Miracle Kids bottles in sizes 0.35 L, 0.4 L, and 0.45 L. Thanks to its practical design with a straw, carrying, opening, drinking, closing, and securing the cap can be done with just one hand. Additionally, the practical screw cap remains airtight at all times, ensuring that the drinking bottle is guaranteed to be leak-proof. Furthermore, the cap is dishwasher safe. The screw cap contains no harmful substances, including phthalates or estrogen-active substances.