How much does this cost to the nearest dollar?

Attic Stairs Insulation Cover for Pull Down Stairway, R-Value 15.5, Extra Thick, Air Tight Attic Cover with Installation Tool Stairway Ladder Insulator Cover with Easy Zipper Access 25 x 54 x 11
R-value of 15.5 Constructed of 2 layers of Aluminum and the air bubble in the second layer helps in blocking the heat transmission, reflects 97% of radiant heat, provides an R-Value of 15.5. Premium material protects your house from affecting by moisture or humidity. Effective to Keep Warm Attic stair cover is made of double bubble reflective radiant barrier so it can well block off the cold air or high temperature from the outside, making your house warm in winter and cool in summer. Easy

Price is $37.00

Price: $36.77