DescriptionThis product is made of premium material, sturdy and durable for long time use. Perfect for shrimp use. These are just right for a breeding and shelter. Provide a secure place and hideout for shrimp and their fry. A great ornament for your fish tank.Features- Color: Transparent Color. - Material: Acrylic. - Size M: About 3.00X3.00X3.00cm/1.18X1.18X1.18inch. - Size L: About 5.00X5.00X5.00cm/1.97X1.97X1.97inch. - Made with high-quality craftsmanship, strong and durable. - Long time in the water will not fade, no color change! - Can be used as a spawning tank, suitable for small fish to breed and spawn, and can be used as a shelter for small fish. - Add a natural atmosphere to the fish tank! - Let the fish free shuttle among them, one of the wonderful fun self-evident.