Aquarium Decor - YS-832D-S - Aquarium Decor - Excellent Quality - Suitable for Freshwater and Saltwater Aquariums Decor for aquariums. This decor is made of high-quality polyester resin, which is completely non-toxic and does not affect the biological balance of your aquarium. The decor is suitable for freshwater and saltwater aquariums. Size: Small Dimensions: 10×3.5×8 cm