An anatomical drape 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 wherein activation of the curing agent for example by a light source causes selective hardening of the stretched 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.