Round hour-glass hot-fillable bottle

A blow-molded container comprising a base, a body portion extending upward from the base, the body portion including an upper margin and a lower margin, a shoulder portion extending upward and axially inward from the upper margin of the body portion to a finish defining a opening adapted to accept a closure, the body portion comprising a plurality of pairs of vertically situated mirror-symmetric panels, each pair of panels including an upper panel having a linear upper edge and a lower panel having a linear lower edge, the linear upper and lower edges of the panels defining a continuous horizontal ring at the upper and lower margins of the body portion, a plurality of horizontal linear segments defining a waist of the body portion, a pair of diverging surfaces extending vertically away from each horizontal linear segment, each of the diverging surfaces laterally separating laterally adjacent vacuum responsive panels, the lateral edges of each panel protruding outward from the diverging surfaces to form a generally convex portion adjacent said lateral edges surrounding a concave dimple located on an axial midline of each of the panels.