Packaging system for analyte sensors

A package for receiving and securing a product, the package comprising:

• at least one product, each product comprising:
• an on-skin assembly comprising an adhesive patch configured to adhere to a host's skin;
• a transcutaneous glucose sensor operably connected to the on-skin assembly, wherein the glucose sensor comprises an electrode surrounded by a membrane configured to be exposed to interstitial fluid;
• at least one first container configured to receive and secure the at least one product therein, wherein the at least one first container is configured to be impermeable to water vapor;
• a second container configured to receive the at least one first container;
• and
• a retainer configured to secure the at least one first container in a fixed position and fixed orientation within the second container such that movement of the second container does not result in substantial movement of the at least one first container within the second container.