BrüMate Rotera 35oz TwistSip Water Bottle in Dune color-way The Rotera series was made for all day hydration. The TwistSip™ straw lid offers on-demand sanitary sips, the signature ColdKey™ stainless steel straw prevents plastic from sitting in your water all day, the BevGuard™ technology keeps ice for 24+ hours and the swappable soft-touch sleeve makes this the most durable and customizable insulated bottle ever.