This elegant floating rock is attached with a string and a sticker at one end. Just place the sticker to the base of the glass aquarium full of water. The stone will float easily at any level by adjusting the length of the string. Size:12cm x 8cm x 6cm. Aquarium decorative rock. Stone will float easily at any level by adjusting the length of the string. Present by aquarium decoration possesses great representative that you can use them for decorating fish tank. It is vividly and colour detailed to add lively and natural life to your tank. It is great to decorate your aquarium all the time with minimum responsibility and maintenance.