H&M Black Floral Sleeveless Jumpsuit Sz 2 NWT Sleeveless jumpsuit in a crêpe weave with a frill-trimmed V-neck, concealed silicone trim at the top. and shoulder straps. Concealed zip at the back, side pockets and wide elastication at the sides of the back. Polyester 93%, Elastane 7% Lining:Polyester 100% Materials in this product explained Elastane Elastane is an elastic synthetic fibre made from oil (a fossil resource). Polyester Polyester is a synthetic fibre made from crude oil (a fossil resource). Machine wash at 30°