Size 4, size is non-adjustable unless you alter the location of the clasps Dark blue and grey. The lighting in the photo makes it look like a lighter blue and white. Silk. Made in Hong Kong. From Sak's Fifth Avenue. The fabric is in great condition, dry clean only. Alfred Sung Sizing Chart: https://www.nordstrom.com/sizeguides/2126_sizeguide.pdf?srsltid=AfmBOopmp7zt40caAJryLvsJD7sFJiSRX1DMqnbsqR5-5elyplOW-Ssu Original pricing unknown, pricing based on searches of similar items from the brand or comparable brands. Can be bundled with other items from the closet for a discount!