The invention provides a two-part package and method of use for a pre-attachedmedical implant and delivery tool system. The package includes a wetcompartment and a dry compartment and allows a pre-attached implant anddelivery tool system to be at least partially stored immersed in a fluid inthe wet compartment and at least partially stored in the dry compartment. Inone embodiment the implant comprises a replacement heart valve, and the heartvalve is stored inside the wet compartment while the heart valve delivery toolremains dry in the dry compartment.