Size: Broken barrel: 7.1 x 7.1 x 10.2 cm (L x W x H), starfish: 4.6 x 4.6 cm (L x W) High-quality material: GSD aquarium ornament is made of high-quality resin that will not harm you or your betta fish. It will not release harmful substances even if placed in water for a long time. Package includes: GSD broken barrel decoration set included, 1 starfish broken barrel, 2 blue starfish. Fine appearance: The shipwrecked barrel design adds a certain sense of age to your aquarium landscape. The slightly damaged barrel leaves some caves for your betta fish to play, hide and rest in. It is a great toy for your pet fish. Easy to place: Slightly damaged barrel plus these two starfish ornaments, making it easy for you to create an underwater aquarium landscape with a sense of age. You can try putting them together with some corals, aquatic plants and shipwrecks. It's worth a try.