FATPET Fish Tank Breeding,Transparent Nursery Breeding Hatchery Safety acrylic material is healthy for you pet,,it is good for breeding fish and it is durable Nursery tank can be easy hang on the inside of the aquarium with one sucker Transparent roof design is easy to observe and one hole can keep ventilation Please remove the protection film before you assemble the breeding tank This nursery fish tank measures: 8.8cm/3.5" long,8cm/3" wide and 8cm/3" high