Tamarind slices come from a different tree from Tamarind which is the asam gelugor (Garcinia atroviridis), which is native to Malaysia and Thailand. The dried fruit slices are called Tamarind peel or tamarind slice or in Malay, we call it asam keping.
Storage Instructions
The best way to store is in an airtight container or bag in the pantry or another cool dark place with a constant temperature.