Easy Installation: Step-by-step instructions ensure a hassle-free fit for both gas and electric water heater units Universal Fit: Cuts to fit and designed to insulate 50 & 60 gallon water tanks, increasing energy efficiency Fiberglass-Free: No itchy or harmful fibers, ensuring a safe and comfortable installation Aluminum Foil Construction: Military-grade material provides superior insulation and durability Enhanced R-Value: Boosts your water heater's efficiency, saving you money on energy bills Come with Step by Step Instructions >>>Easy to Install >>>East cut-to-fit >>>Fits Gas or Electric Units >>>Contains no Fiberglass >>>Increases R Value and efficiency of water heater >>>Comes with plenty of military grade aluminum tape