In what sizes is SXP-020 Amber available to ship within the US? Is there a specification sheet for this material?

This film comes 60" wide as it shows on the product page. You can order any length you need from 1 to 100 foot max per roll. Here is a link to the online spec sheet. https://www.decorativefilm.com/mm5/graphics/00000001/SXP-020%20Amber.pdf