Features: Wide applications: This roof jacks for roofing fits most camping tent jack chimney pipes. Whether it's for bell tents, stoves, greenhouses, yurts, workshops, or any space that requires a reliable exit flue, this product is your nice solution for various applications. Easy to install: You can cut the high temp silicone pipe into proper size and then install your proof, which can provide safety for you. With this user-friendly and easy-to-install roof vent boot, building maintenance becomes easy and effective. Specifications: Material: silicone and aluminum Color: dark gray Package includes: 1 x High temp roof boot Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays