DIY ATTIC DOOR INSULATION COVER: Defend your home with an attic opening insulation cover that's built tough & easy to install. The ultimate attic cover insulator, this heavy duty attic zipper bag couldn't be easier to use year round. REFLECTS HEAT & BLOCKS COLD AIR: Reflects radiant heat in summer + supplies a tight seal fit to block cold winter air. Our hefty 25x54x11inch attic insulation door cover puts up a strong defense barrier between the elements & your home. REDUCE ENERGY USE + SAVE MONEY: These attic insulation bags help keep your house comfortably cool in the summer & warm in the winter, thus reducing energy consumption. Better efficiency means you save on energy bills! DURABLE, FIREPROOF, WATERPROOF: Featuring a thick layer of heat-insulating bubbles wedged between 2 layers of reflective aluminum foil insulation, the zippered attic entrance cover is sturdy, fire-resistant & moisture-resistant. EASY INSTALL (STAPLER REQUIRED): Installing this attic hatch insulation cover is a piece of cake. No fancy tools required, other than a stapler for securing the attic insulation shield in place. Fits attic openings up to 25x54x11 inches. Colour:Silver Material:PE Size:138x64x28cm Package Contents: 1 * Attic Stairs Insulation Cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.