Riya fashion #howtomakeblousedesign YouTube Dresses Riya International Traditional Raya Dress Didi Design & Altera Ria Jersey Shirt Dress by White Stuff Look Again Raya Dress. This long sleeve Riya shirt dress is made from smooth silk twill material, offering both comfort and elegance. With its modest design and 2 unique prints, it's a versatile piece suitable for any occasion. Upgrade your wardrobe with this must have dress. Material Silk Twill Dress Details Long elastic sleeves, collared neck, fully buttoned, below knee length. Colors Purple, Yellow, Light Purple.