Kwik Sew 4168 sewing pattern, dated 2016, now out of print.
Girls Swimsuits:
Lined to edge, pull-on swimsuits with halter-style tops have contrast bands and binding. Binding forms straps. Elastic finishes leg openings. A: Two-piece with contrast knot. B: One-piece with contrast bra, gathers at side with self-fabric drawstrings.
For two-way stretch knits only.
Sizes XXSmall (3) XSmall (4 - 5) Small (6) Medium (7 - 8) (Large (10) ( (all sizes included):
Chest 22 - 23 1/2 - 25 - 26 1/2 - 28 1/2 inches / 56 - 60 - 64 - 67 - 72 cm
Pattern is UNCUT and factory folded. Envelope is in good condition.
More children's patterns here:
http://allthepreciousthings.com/collections/baby-and-children