I got a new pattern and I'm unsure what size I'm supposed to use

How to Make a Mini Backpack with Our Free Pattern

Spring 2020 Simplicity Patterns – Doctor T Designs

Understanding Knitting Needle Sizes & Yarn Weights

Anti Hero Sweatshirt, Its Me Hi I'm the Problem Sweater, Midnights Sweatshirt - UK

GoodTherapy How to Stop Anxiety from Destroying Relatio

Crochets My Tiny Heart, PDF, Crochet

Maddie Lee & Little D's Crochet Corner

Pint Size Mini Quilt – Sew Happy by Sarah

Corner to Corner Stitch (C2C)