Features: brand new and high quality 10pcs Coral Frag Bases Aquarium Coral Reef Bases Coral Breeding Ceramic Bases. Simple and practical, help support and stabilize coral plant. High class pure white appearance, non-pollutant, portable, and easy to maintain. Made of high temperature firing ceramics, safe for reef and coral and does not affect water quality. It is not only suitable for coral bracket, but also can be placed in a separate aquarium. Specifications: Material: Ceramic Color: White Size: Approx.24x16mm/0.94x0.63in Weight: Approx.55g Package Includes: 10 Pieces Ceramic Coral Frag Base note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!