A:Dear Valued Customer,Thank you for your shopping with Tidebuy.com.for the material , you can refer to the description about that, for the size, as you can see there is description about it, firstly, you can refer to the measuring guide to measure your size ,and then refer to the description to make sure which size fit you , and if you have other requests ,you can give us message on the order after you place the order so that we can see and make the dress with your requests, now because we are in hot season now, hope you can place the order quickly so that we have enough time to finish the dress to you.Thanks and best regards