This product is made of acrylic, without any barrier, allowing you to observe. Unique floating and transparent acrylic cover designed to prevent the fish out of the isolation room to protect the newborn fish. With suckers, it is convenient to fixed the tank in anywhere. It is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect. It can Prevent attack from adult fish, improve the survival rate of juvenile fish.Feature Color: Transparent. Material: Acrylic. Size: 20 x 10x 16cm. This product is made of acrylic, without any barrier, allowing you to observe. Unique floating and transparent acrylic cover designed to prevent the fish out of the isolation room to protect the newborn fish. It is convenient to fixed the tank in anywhere. It is a Hatchery for viviparous fish, such as bettas, guppies, medaka, ect. It can Prevent attack from adult fish, improve the survival rate of juvenile fish. Warm Tip: Dear buyer, Due to lighting effect, monitor39;s brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you