A lightweight tumbler bottle.Including: a container body,The container body has a bottle body with a circular cross section.On the bottle body,The lower two ends are respectively provided with a first end and a second end.The second end of the bottle body is connected with a bottom end part.The bottom end part has an arc-shaped end face；A nipple assembly,The nipple assembly is arranged at the first end of the bottle body；Among them,A holding chamber is arranged at the bottom of the bottom end part of the bottle body.The accommodation chamber has an opening.And a cover body is arranged at the opening of the accommodation room；And a counterweight unit,The counterweight unit is accommodated in the accommodation room；The outer side of the bottle body is provided with a plurality of annular grooves and ribs spaced mutually.And the outer ends of each rib are arranged together to form an arc curve.一種輕量化不倒翁奶瓶，其中包括：一容器本體，容器本體具有一呈圓形斷面的瓶身，瓶身的上、下兩端分別具有一第一端及一第二端，瓶身的第二端連接有一底端部分，底端部分具有一弧形端面；一奶嘴組件，奶嘴組件設置於瓶身的第一端；其中，瓶身的底端部分的底部設置一容納室，容納室具有一開口，且於容納室的開口設置一蓋體；及一配重單元，配重單元容納於容納室中；其中瓶身的外側具有多個相互間隔的環狀溝槽及肋部，且各個肋部的外側端共同排列形成一弧形曲線。
