Covered Underwire. Double filled. Adjustable, non-sticking straps. Adjustable hook. This product contains 90 Polyamide 10 Elastane. A double-filled bra is a perfect product for daily use. It makes your chest look fuller. Polyamide It is the first synthetic fiber produced. Durable Elastane Flexible Suitable for long-term use Wraps the body and keeps its shape. Care Instructions Hand-wash at a maximum of 30°C. Do not tumble dry. Do not bleach. Do not iron. Do not dry-clean;