High-quality materials: Our aquarium tunnel is made of high-quality plastic material, which is safe and durable, does not fade, has no odor, and is suitable for freshwater and saltwater aquariums. Small fish shelter: The hiding place of the betta fish can provide a safe shelter for your small fish. The entrance edge is smooth, and small fish can easily pass through without hurting their fins Hollow holes: The hollow holes in the shrimp tunnel can prevent small fish and betta fish from passing through, and are also conducive to the growth of water flow and aquatic plants, which grow into the hiding place to make the fish feel safe Strong suction cup: The strong suction cup of the betta tunnel can be firmly attached to the smooth glass aquarium, easy to install and remove, and will not leave marks. Very suitable for small fish, shrimp, guppies Easy to clean: The fish tank tunnel can be gently brushed with water and a soft brush. No need to use soapy water, soap residue may affect the water quality of the fish tank and cause harm to the fish Colour:Black Material:plastic Package Contents: 1 * Aquarium Betta Fish Hideout 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.