[Size]The size of the shrimp breeding shed is approximately 11.8 cm (length) x 6 cm (width) x 2.5 cm (height). Shrimp hideouts easily fit into almost any aquarium . The handmade pet accessory has a large feeding cave that can accommodate more ghost and provide them with a comfortable living environment. [ Material]The shrimp aquarium tunnel is made of plastic material, which is and long-lasting, ensuring you enjoy the shrimp tunnel for many years. Wide scope of application: Aquarium caves can be used in aquariums, shrimp tanks, fish ponds, shrimp ponds, breeding ponds and other places to provide a good breeding environment for . Easy to install: Aquarium is easy to install. Simply dig out a small area on the side of the aquarium and place it inside. Colour:B: Light Brown Material:plastic Package Contents: 1 x Shrimp Cave Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.