Abstract: A replacement bottle cap with a straw attached is described that is designed to fit standard water, soda, juice, smoothie and commercial drink cap sizes and turn them into sip-able bottles for both children and adults. The children's caps can come with special or customizable design for either boys or girls, while the adult version can come in a variety of stylish cap colors. The cap designs can also be customized with logos and designs for licensed or promotional events, such as sports teams/events, national or religious holidays, concerts, music festivals, etc.