High Quality MaterialObservation box is made of transparent acrylic, high light transmittance bring you a clear viewing experience. Clearly observe the fish condition inside the box. Safe, durable and easy to clean. Compact SizeSmall portable fish breeding box size is 16cmx4cmx5.3cm/6.30inchx1.57inchx2.09inch; 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 dace, 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. Perfect for men birthday gift for husband, father, friends. Specification: Material: Acrylic Size Chart: 16cmx4cmx5.3cm/6.30inchx1.57inchx2.09inch Package Includes: 1 Piece small fish Tank Note: Please allow slightly errors due to manual measurement and different monitors.