Features: Nice chimney antiscalding device kit for securing to the stove jack or outlets of your tent or shelter, protecting your tent from heat damage. Made of flexible silicone that won't crack and allows for expansion, contraction, and tube vibration. Thick fold with steel rings allows them to fit any roof slope and metal profile. Easy to install and use for chimneys or tubes with an outside diameter of 45-100mm. (If it is more than 45mm, you need to cut the rubber ring by yourself.) Wide range of application, it can be used for stove tubes, chimneys, plumbing, heating, air conditioning, exhaust vents, etc. Specifications: Color: Red Material: Silicone + Stainless Steel Adaptable Diameter: For OD 45-100mm Chimneys Item Size: 160 * 160 * 90mm/ 6.3 * 6.3 * 3.5in Item Weight: 340g/ 12.0oz Packing List: 1 * Chimney Anti-Scalding Device