Silk Applique Patch Challah Covers. Raw Silk Applique'd Challah Cover attached with embroidery. Size 20" X 16". Hand Made of Natural Silk in magnificent rich shades of blue colors. This cover must be dry-cleaned. Finely crafted piece will also look great as a wall-hanging. From the Jerusalem studio of artists Yair and Yael Emanuel. This cover must be dry-cleaned.