Thank you for viewing! These are arm warmers knitted with colorful sock yarn. Ribbed section: Regia, patterned section: Lana Grossa Meilenweit Sock Yarn. Universal fit (left or right) ◎ Flat measurements: Approximately 20cm x 8.5cm Please allow for some margin of error. They are stretchy and will fit women with larger hands. Thank you for your understanding of handmade items.