Simplicity 7351 vintage sewing pattern, dated 1996. 

Child's Leotards, Skirts, Tutu, Bag and Hair Accessories.

Pull on Leotard, in two-way stretch knit fabrics only, has long sleeves or armhole ruffles and purchased rosette or ribbon bow trim. Pull on Circle Skirts A, B, and C in two-way stretch knit fabrics only, have elastic waistline casing. A is a circle Skirt. B is shaped to be higher on the sides. C has wrap front. Tutu D in net is gathered to stretch knit elasticized waistband. Bag has cord straps and ballet shoe applique. Bun cover and elasticized hair band patterns included. Suitable for Overlock/Serger. 

Size      5 6 7 8:

Breast:  24 - 25 - 26 - 27 inches / 56 - 58  - 61 - 66 - 69 cm

Waist:   21.5 - 22 - 23 - 23.5 inches / 58 - 60 - 62 - 65 - 67 cm

Hip       25 - 26 - 27 - 28 inches / 64 - 66 - 69 - 71 cm

Pattern is UNCUT and factory folded. Envelope is in good vintage condition.

More children's patterns here:

http://allthepreciousthings.com/collections/baby-and-children