FIELD: packaging industry.
SUBSTANCE: invention relates to a container system comprising a container, a cap and a cap attachment. Cap attachment comprises an upper wall, an outer wall extending downward from the upper wall, a cap engaging wall extending downward from the upper wall, and a spacer wall, extending downward from inner surface of upper wall. Wall of engagement with cap can be in engagement with outer surface of cap without possibility of disconnection, and the spacer wall can be engaged with the upper surface of the cap. Cap can be in engagement with the reservoir with possibility of disconnection.
EFFECT: closure device for container using cap attachment.
20 cl, 8 dwg
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