Abstract: The invention is a reusable beverage container including a cap having a first top portion and an inner flange extending downwardly therefrom, a receptacle, a neck portion, and a flexible spout. The neck portion includes an inner diameter surface and an outer diameter surface. The spout has a through-bore therein, a first opening rim and a second opening rim formed by the through-bore, and an outer surface having a plurality of ribs annularly disposed about the outer surface. The spout includes a first portion. The neck portion is operatively arranged to receive the first portion of the spout. The second portion of the spout extends upwardly beyond the neck portion, and the plurality of ribs is sealably engaged against the inner diameter surface of the neck portion. The first opening rim is sealably engaged to the first top portion when the cap is secured to the neck portion.