Abstract: A container comprising a tube and a cap for use in securing a carpule during shipping or storage is disclosed. The container may be configured to prevent individual components of the carpule from shifting, dislodging, or moving, particularly in response to changes in air pressure. The container may further be configured to seal and protect the carpule. A cap configured to independently secure portions of a carpule or carpule assembly is also disclosed. Additionally, embodiments of containers comprising one or more wells for securing carpules are disclosed.