A bright orange background with black spiders is in the Basic Grey collection by Eerie. The fabric is 100% cotton manufactured by Moda. I have used this fabric on my Halloween Witch doll. The size of the spiders are 1/2".
The Basic Grey comes in a width of 44" - 45"
You can purchase the fabric in 18" x 22", 1/2 yard and 1 yard cuts
If you need more convo me for a price and shipping costs