S Size: 9.8" x 2.3" x 6.3" // M Size": 14.5" x 4.1" x 10.2" - Ornament is made from non-toxic plastic ma terial and makes an exciting ornament in any aquarium. - Offers the natural environment feeling. - Change your aquarium into a beautiful scenery . - It is vividly and color detailed to add lively and natural life to your tank. - It is great to decorate your aquarium all the time with minimum responsibility and maintenance. - They"re are absolutely safe for fish and best of all, they won"t die, rot or cause any algae problems. - It is suitable for salt and fresh water.