A: Hi Vivian, These Canopy Covers do offer some protection from the outside elements, but they will not provide blackout darkness for napping in the dark.
A: Hi Sue, The width you are referring to is the packaged width. The total unfolded dimensions of this product are: 39.96" long x 28.93" wide.
A: Hi Nora, Our canopy cover is 39.96" long x 28.93" wide.
A: This is only the canopy. I personally would not use the liner or anything extra that goes in a car seat as it's not 100% safe.