Horticultural Perlite Jumbo. High density. Stable air filled porosity and water holding capacity for years. Readily available water (RAW), retains moisture and nutrients for plant roots. Extremely high capillarity. Retains good deal of air which lightens potting mix providing valuable oxygen for plant roots.
The actual product may differ as each product has it's own unique natural look and though look identical but are never 100% similar to the image pictured here.