Give your pet a fresh look in their environment with this ornament. Made from polyresin, the ornament can be placed in freshwater and saltwater aquariums and hermit crab enclosures. Give your pet's home a makeover with the All Living Things Hermit Crab Crab Shack Aquatic Ornament. Made from polyresin, this durable ornament can be placed in freshwater and saltwater environments and hermit crab enclosures. The unique design gives your pet's environment a whimsical look. Can be placed in freshwater aquariums, saltwater aquariums and hermit crab enclosures Charming design adds a fun look to your pet's environment Rinse in warm water before placing in aquarium; never use soap or detergent Made from polyresin Made in China Ornaments may discolor in saltwater.