A resealable jar for liquid, semi-solid, or solid content comprises a body having a rigid fibrous wall that at least partially defines a lumen and an open end, and a child resistant cap sized and dimensioned to engage the open end of the jar body. The cap is configured to be deformable to releaseably engage the open end of the jar body. The body could be composed of a paper or a fibrous material, and the cap could be composed of biodegradable material. The cap could be disengaged from the jar body by application of a force to a deformable center section, or to pinch tabs, or to a pull tab of the cap.