Rare! Vintage 1970s cotton muslin caftan dress from Cost Plus. You know it today as World Market, it's rare to find a garment from their early days! Made of soft cotton muslin with a blue and purple striped woven pattern. It has long sleeve, v-neck with embroidery detail and side vents. Slips on over the head, no zipper or buttons, not lined. In excellent condition apart from two very faint spots, shown in last photo.

The dress is shown on a modern US size 10 dress form and not pinned or clipped. Please refer to the measurements listed below, taken while laying flat and doubled where appropriate. 

Bust - 46 inches (116.84 cm)
Waist - 48 inches (121.92 cm)
Hip - 50 inches (127 cm)
Length from shoulder to hem - 54 inches (137.16 cm)
Shoulders across back from seam to seam - 14 inches (35.56 cm)
Sleeve length - 21.5 inches (54.61 cm)