Inspired by the wonderful Indigo calico prints of the 19th Century. 100% our print is purposely distressed to look authentic and vintage. Each pattern is accurately designed to match authentic indigo calico prints. Made from 100% poly twill with black neck strap and waist strap which includes working button details. Care Instructions: Machine Wash in cold, gentle cycle. Non-Chlorine bleach when needed. Tumble dry low.