A container has an improved releasable cap, the container including a neck having external threads. The cap includes: a circular top piece for sealing the container; two sidewall sections connected to the top piece each having an internal threaded portion for engaging the neck of the container. Each sidewall section has two circumferential ends each spaced from an adjacent circumferential end of the other sidewall section such that two diametrically opposed expandable gaps are defined between the spaced circumferential ends. Two tabs each span a respective one of the two gaps, the tabs bulging outward from the sidewall section. The tabs are configured to be pressed inward thereby causing the sidewall sections to flex outward to disengage the internal threaded portions thereof from the external threads of the neck of the container permitting the cap to be removed therefrom.