Rujia Women's Periodic Table Of Elements Print Reversible Skater Dress Not standard US size, it will be 1-2 size smaller than US size, please check the size chart in the product description. 7-18 days for merchant delivery,if you buy more than 20pcs,we will send the package by DHL,it will cost 5-8days. Material:Poloyester and Spandex, Please hand wash cold, do not bleach, and hang dry. If you're not satisfied with your purchase, we will be happy to process a 100% exchange or refund for you. Warning: When you click Add to Cart,Please look for Sold by:Rujia Clothing,Products that you purchase outside of Rujia Clothing may differ from their original in ways such as material,fit,color or quality,we will not be able to provide proper or accurate customer support for such purchases.