Fine Grade Bentonite Powder (mesh size > 80) Botanical/Scientific Name: Calcium bentonite Ideal for your DIY Face/Hair pack recipe. Packaging: Packed in Air-tight HDPE side gusset pouch with Bag Clip for resealing. Merlion Natural's Bentonite Clay Powder is produced and packed at ISO Certified facility. At Merlion Natural's we ensure that only fresh batches of products are packed.