An anatomical drape (1a or 1b), such as a dental drape, for covering a treatment area of an anatomical part, the drape comprising an elastomeric material capable of conforming to the contours of the anatomical part and including a curing agent (9) contained within internal channels distributed in the drape; and wherein activation of the curing agent, for example by a light source, causes hardening of the material to at least partially set the drape in a configuration conforming to the anatomical part. The semi-rigid set drape is liquid impermeable but gas permeable. A method of manufacturing the drape is also disclosed.