It's 100% viscose. Features of the product: Dress with a button-down waistband. Model information size: 38 product length: 140 cm Model size: Height: 176 chest: 90 waist: 63 hips: 94 general washing and usage instructions• Handcrafted and beaded products are in the sensitive program. They should be washed inside out• Printed products may shed over time. In order not to ruin the product during washing, do not exceed 30 degrees C. While washing the product, wash it in accordance with the washing instructions • Use appropriate detergents for colored products. denim products and dark-colored products may stain while being washed with other light-colored products. Do not wash together• Do not expose the clothes to direct sunlight while drying.