The listing, NIP - Two (2) - Fresh Scents - Spa Day - Air Freshener Packs has ended.
NIP - (2) - Fresh Scents - Spa Day - Air Freshener Packs
I'm rather sure that these packages contain a powder, but it may be a crystal/salt like consistency.
There are essentially three ways to use this;
Inside your vacuum cleaner bag.
Inside a simmering pot.
Inside a small bowl to slow release.
These bags are a little old.
A year old I would say.