... 1. feature: durable, waterproof, antiseptic non-toxicity ,high bonding strength, odourless, landscaping, good for health, etc. 2. color: grey,yellow ,blue, green ... /bag. Or as requests Apply: Our color sand mainly used for water-proof roll material /waterproof membrane. or others, such as ... ,96hno obvious color tolerancesilt content0%clod content0% red color sand for waterproof