Features: 1. to protect your fishes, turtles and frogs in tank from water heater scalding 2.Can also protect the heater from accidental breakage to avoid damage and hurt 3.Detachable design makes it easier to adjust it at the length you need 4.With suction cup design, it is quite convenient for you to install it in tank 5. plastic constructed case for long service time. Suitable for any round type heater Specification: Description: This heater case can help to protect both heater and aquarium fish, turtles, frogs from accidental breakage and scalding. Features: to protect your fishes, turtles and frogs in tank from water heater scalding. Can also protect the heater from accidental breakage to avoid damage and hurt. Detachable design makes it easier to adjust it at the length you need. With suction cup design, it is quite convenient for you to install it in tank. plastic constructed case for long service time. Suitable for any round type heater. Specifications: Material: Plastic Color: Black Type: #0, #1, #2, #3, #4(optional) Width: Approx. 3.1cm / 1.22in Height: Approx. 4cm / 1.57in Single Middle Linking Tube Length: Approx. 3.5cm / 1.37in Length: #0: Approx. 18.5cm / 7.28in #1: Approx. 24.5cm / 9.64in #2: Approx. 30.5cm / 12in #3: Approx. 36.5cm / 14.37in #4: Approx. 42.5cm / 16.73in Package Weight: Approx. 31~60g Package Included: 1 * Fish Tank Heater Protective Case Notes: 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.