Simplicity 5531; ©1973; Child's Playsuit and Jumper with Detachable Collar and Bubblesuit: The jumper, V. 1, playsuit, V. 2 & 3 and bubblesuit, V. 4 have shoulder straps buttoned to front. V. 1 & 2 with purchased appliques feature button-on contrasting detachable collar trimmed with corded piping. V. 2 & 3 may have optional snap-fastened crotch. V. 3 has top-stitched contrasting patch pockets and V. 4, with elastic leg casings, has ruffles made of embroidered eyelet edging.