Plant It Vermiculite
This product is available.
Vermiculite is a natural, sterile soft mica mineral with great water holding and insulation properties. It also offers a high cation exchange capacity which means it will slowly release nutrients back to your plant which it has absorbed during waterings. Used by gardeners the world over for propagation and pricking out. Great in potting mixes for house plant container growing and hanging baskets.
Please note that bags may differ from the picture shown