Vintage Sears baby bodysuit overalls pink hearts clouds 12m

Vintage Sears baby girl overall coveralls one piece. So totally adorable. Very 80s 90s vibe! Tag states infant size Medium 28.5 to 32 inches tall 20- 25 lbs I believe this works out to a modern day 12 month. Please confirm with weight and measurements 100% acrylic. It’s nice sweatshirt material. Very cozy! Has some light wear. Some pilling. View photos for examples of wear from age. True vintage item