Features:1. Made of high quality acrylic, no odor, sturdy and durable.2. Nontoxic and harmless material, safe for your baby fishes and shrimps.3. Easy to install and clean, stable and very convenient to use.4. With hook design, this box can be hung on anywhere in your fish tank.5. Suitable for hatching fish roe and shrimp egg in fish tank and aquarium.Specification:Condition: 100% Brand NewMaterial: AcrylicColor: As shown in picturesSize: Approx. 7*7*7 cm / 2.8*2.8*2.8 inchWeight: Approx. 162g / 5.7 ozPackage list:1 * Fish Incubator Box1 * Hook3 * Screw2 * NutNote:1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. After hatching the brine shrimp, wash it and then carry out the next incubation.