http://www.outdoorfabriccentral.com/samples.html

Our free Sunbrella sample promotion is limited to 10 per customer and may exclude some designer or exclusive patterns.
Samples are shipped free using USPS regular mail.
Solid fabric sample cuts are approximately 2" x 2".
For striped or pattern sample cuts, we will attempt to include the entire repeat/pattern (sometimes the entire repeat is not available).
Samples are processed within 2 business days and are mailed out via USPS
Typically, samples arrive in 7–10 business days. Please be patient; it is well worth the wait.