From KommatiaPatterns Etsy shop:
Tutorial and sewing pattern to create a bodysuit with long fitted sleeves featuring a plunging back cowl neckline and a snaps closure at the crotch. Our format is adapted for home printers so you can quickly start sewing. Once the purchase completed, a link is provided to download the PDF file, which contains both tutorial and pattern.
Sizes: M-M/L-L-XL
Sizes: XS-S-S/M-M
Finished garment length: 70.5cm (27 ¾")