Aquapetzworld 2 holes hollow tree trunk resin aquarium ornament is hand painted, very detailed and realistic, a wonderful addition to your aquariums, to create a natural landscape underwater and also help make more funs for your small fish, can reduce their stress and boredom in the tank. Only for small and baby fish, large fish may get stuck in the trunk. Perfect hide cave for small aquarium pets less than 5 inches such as betta, crayfish, suckerfish, axolotl, guppies, blue rams, chained loach, slow fish, fishes, hifin ram, zebra danio, black neon tetra, ect.. Specifications: Material: resin Dimension: As shown Weight: 207Grams Fish tank size: small and medium size tank Wood House Decor resin artificial wood house with 1 gate and 2 holes is a distinctive aquarium ornament for your fish tank. The fish tank decor house provides shelter, hiding spots for small aquarium fish pets. All the edges of the resin ornament house are round smooth, there is no danger for your fish to get hurt. Specifications: Material: resin Dimension: As shown Weight: 0.2 Fish tank size: medium and large size Cleaning Tips: 1. Before putting the fish decoration betta log into your tank, please wash it in clean water to wipe off the dust and paint smell. 2. There is no need to clean the resin ornament too often, you can wash it in flowing water when you change your tank water.