These decorative sands (combo of 7 colours-White, Black, Yellow, Orange, Blue, Purple & Red) are used in terrarium and flower pots to hide soil. Each different coloured sand of 200 grams will be given with this pack. Sand size is similar to sugar or less (less than 2 mm). Colour of sand is permanent and it will not fade. These are popularly used in activities of children too. After decoration with these sand, the plant looks awesome. These are also used in fish aquariums.