The hat cannot suitable for ceramic marhsmallow mug. I measured it. It sounds a bit big for the ceramic marshmallow mugs.

Materials:

Gazzal Baby Cotton yarn: pink, brown, white, red, lilac, blue
Hook: B, 2.0 mm
Sewing needle and scissors
Embroidery floss for eye brows, mouth, cheeks and tongue
Fiberfill
Sewing Clips

Pattern Notes

All project is worked in spiral rounds.
Use stitch marker to mark first stitch in the round and move up each round.

Skill level is Intermediate/advanced.

For more information: https://www.etsy.com/shop/BBhanmadecraft?section_id=31054444