Formulated for bonsai tree: This fast-draining sandy soil mixture is perfect for vigorous and beautiful bonsai trees. Prevent root rot: Waterlogged roots will cause root rot and cause the death of bonsai plants. This soil mixture is designed to provide proper drainage and aeration for the roots of bonsai trees. High quality Soil: This high-quality mixture of gardening grade peat moss, perlite, lime, worm castings, charcoal and mulch. Wide use: Suitable for indoor plants, vegetables, cacti, succulents and other plants that require fast drainage and high-quality growth environment. The soil is packaged in a resealable pack. The size of perlite particles ranges from medium coarse particles to fine dust particles..syi