DIY ATTIC DOOR INSULATION COVER: Defend your home with an attic opening insulation cover that's built to install. The ultimate attic cover insulator, this heavy duty attic zipper bag couldn't be easier to use year round. REFLECTS HEAT and BLOCKS COLD AIR: Reflects radiant heat in summer and supplies a tight seal fit to block cold winter air. Our 25x54x11inch attic insulation door cover puts up a strong barrier between the elements and your home. REDUCE ENERGY USE and SAVE MONEY: These attic insulation bags help keep your house comfortably cool in the summer and warm in the winter, thus reducing energy consumption. Better efficiency means you save on energy bills! , FIREPROOF, WATERPROOF: Featuring a thick layer of heat-insulating wedged between 2 layers of reflective aluminum foil insulation, the zippered attic entrance cover is sturdy, fire-resistant and 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 insulation shield in place. Fits attic openings up to 25x54x11 inches. Colour:Silver Material:PE Size:138x64x28cm Package Contents: 1 x 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.