The labels have been removed I would guess the fabric is polyester/elastane but obviously I'm unable to say for certain. I estimate to fit 18/20/22 depending on how you like to wear but please check the measurements carefully, as a private seller I am unable to accept returns

Approximate measurements Chest Side seam to side seam across the back 27 inches (69 cm) Please take into consideration the

                                               sleeve style.

                                               Length from top of shoulder 32 inches (81 cm)

From a smoke and pet free home