DNA/RNA Shield Saliva Collection Kit - DX are specimen receptacle medical devices for molecular-based in vitro diagnostic applications. This DNA and RNA saliva collection kit also takes a microbial snapshot of a sample while inactivating viruses making samples safe and ready for transport. Samples stored in the DNA/RNA Shield Saliva Collection kits are stable at ambient temperature, and can be frozen for longer-term storage. This DNA and RNA saliva collection kit simply requires users to deposit saliva into the spit cup, add the DNA/RNA Shield reagent, and shake vigorously to ensure proper stabilization.