Features:Material: Fireproof attic stairway Insulation cover was made of bubble aluminum foil double-layer protection.Function: Better isolation effect durable and long lasting. Fireproof waterproof and dustproof.Thickened: Super thick Insulation cover isolate the outdoor cold and warm air double bubble reflective radiant barrier.With Zipper : With zipper allows for easy entrance and exit to the attic when climbing up and down your pull down attic stairs.Foldable: This insulator covers the full entrance to the attic door while allowing space for the stairs to fold and fit securely beneath leaving the insulation hidden in the attic.Specifications:Material: bubble aluminum foilColor: silverSize(L x W x H):about 138x64x28cm/25x54x11inchPackage included:1pc x attic stairway Insulation coverNote:1. Due to the light and screen difference the item&039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.