The Dopper Sport Cap – Atlantic Blue is the ideal upgrade for athletes: the flexible spout quickly transforms your Dopper bottle into a sporty water bottle. It fits all Dopper bottle models—Originals, Steel, Insulated, and Glass—although it is not suitable for use with hot drinks. Made in the Netherlands from BPA-free materials (polypropylene and thermoplastic vulcanizate), it's dishwasher-safe (up to 65°C). Moreover, it carries the Cradle to Cradle® Silver certification, ensuring both sustainable design and impact.