MaterialObservation box is made of transparent acrylic, high light bring you a clear viewing experience. Clearly observe the fish condition inside the box.Compact Size Portable fish breeding box size is S: 22x4.2x8cm, L: 25x4.4x9cm; Lightweight and easily kept in a bag or pockets to carry outside.Fishing Photo TankSmall acrylic photo box for aquarium fish, great for photographing your fish while keeping it in water. Holding the fish in the box temporarily for convenient pictures taking. With clear scale, easy to record.MultipurposeMultifunctional as mini aquarium with lid, hatching box, fish isolation box, suitable for daces, darters, crabs and more. Also ideal as viewing box for spider crickets snails tarantulas geckos.Great GiftClear storage box fish viewing box is suitable for both professionals and novices alike. Good for men birthday gift for husband, father, friends. Specification: Material: Acrylic Size Chart: S: 22x4.2x8cm/8.66inchx1.65inchx3.15inchL: 25x4.4x9cm/9.84inchx1.73inchx3.54inch Package Includes: 1 Small Fish Tank ? Note: Please allow slightly errors 1-2cm differences due to manual measurement.